diff --git a/src/Sylius/Bundle/AddressingBundle/Validator/Constraints/ProvinceAddressConstraint.php b/src/Sylius/Bundle/AddressingBundle/Validator/Constraints/ProvinceAddressConstraint.php
index f4fe3fa842..6e53c3a125 100644
--- a/src/Sylius/Bundle/AddressingBundle/Validator/Constraints/ProvinceAddressConstraint.php
+++ b/src/Sylius/Bundle/AddressingBundle/Validator/Constraints/ProvinceAddressConstraint.php
@@ -22,9 +22,6 @@ use Symfony\Component\Validator\Constraint;
 #[\Attribute]
 class ProvinceAddressConstraint extends Constraint
 {
-    /** @var string */
-    public $message = 'sylius.address.province.valid';
-
     /**
      * @param array<string, mixed>|null $options
      * @param array<string>|null $groups
@@ -32,7 +29,7 @@ class ProvinceAddressConstraint extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.address.province.valid',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -44,14 +41,12 @@ class ProvinceAddressConstraint extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
     public function getTargets(): string
diff --git a/src/Sylius/Bundle/AddressingBundle/Validator/Constraints/UniqueProvinceCollection.php b/src/Sylius/Bundle/AddressingBundle/Validator/Constraints/UniqueProvinceCollection.php
index c5cbe88ec8..23ff12f9c5 100644
--- a/src/Sylius/Bundle/AddressingBundle/Validator/Constraints/UniqueProvinceCollection.php
+++ b/src/Sylius/Bundle/AddressingBundle/Validator/Constraints/UniqueProvinceCollection.php
@@ -25,7 +25,7 @@ final class UniqueProvinceCollection extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.country.unique_provinces',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class UniqueProvinceCollection extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.country.unique_provinces';
-
     public function validatedBy(): string
     {
         return 'sylius_unique_province_collection_validator';
diff --git a/src/Sylius/Bundle/AddressingBundle/Validator/Constraints/ZoneCannotContainItself.php b/src/Sylius/Bundle/AddressingBundle/Validator/Constraints/ZoneCannotContainItself.php
index 41baef894f..07ba07ffe0 100644
--- a/src/Sylius/Bundle/AddressingBundle/Validator/Constraints/ZoneCannotContainItself.php
+++ b/src/Sylius/Bundle/AddressingBundle/Validator/Constraints/ZoneCannotContainItself.php
@@ -25,7 +25,7 @@ final class ZoneCannotContainItself extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.zone_member.cannot_be_the_same_as_zone',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class ZoneCannotContainItself extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.zone_member.cannot_be_the_same_as_zone';
-
     public function validatedBy(): string
     {
         return 'sylius_zone_cannot_contain_itself_validator';
diff --git a/src/Sylius/Bundle/AddressingBundle/tests/Validator/Constraints/ProvinceAddressConstraintValidatorTest.php b/src/Sylius/Bundle/AddressingBundle/tests/Validator/Constraints/ProvinceAddressConstraintValidatorTest.php
index 0f18842f52..95af3953cb 100644
--- a/src/Sylius/Bundle/AddressingBundle/tests/Validator/Constraints/ProvinceAddressConstraintValidatorTest.php
+++ b/src/Sylius/Bundle/AddressingBundle/tests/Validator/Constraints/ProvinceAddressConstraintValidatorTest.php
@@ -39,7 +39,7 @@ final class ProvinceAddressConstraintValidatorTest extends TestCase
 
     private AddressInterface&MockObject $address;
 
-    private MockObject&ProvinceAddressConstraint $constraint;
+    private ProvinceAddressConstraint $constraint;
 
     private ExecutionContextInterface&MockObject $context;
 
@@ -50,7 +50,7 @@ final class ProvinceAddressConstraintValidatorTest extends TestCase
         $this->countryRepository = $this->createMock(RepositoryInterface::class);
         $this->provinceRepository = $this->createMock(RepositoryInterface::class);
         $this->address = $this->createMock(AddressInterface::class);
-        $this->constraint = $this->createMock(ProvinceAddressConstraint::class);
+        $this->constraint = new ProvinceAddressConstraint();
         $this->context = $this->createMock(ExecutionContextInterface::class);
 
         $this->provinceAddressConstraintValidator = new ProvinceAddressConstraintValidator(
diff --git a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/AddingEligibleProductVariantToCart.php b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/AddingEligibleProductVariantToCart.php
index 65849f09a9..98aebdd781 100644
--- a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/AddingEligibleProductVariantToCart.php
+++ b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/AddingEligibleProductVariantToCart.php
@@ -25,9 +25,9 @@ final class AddingEligibleProductVariantToCart extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $productNotExistMessage = null,
-        ?string $productVariantNotExistMessage = null,
-        ?string $productVariantNotSufficientMessage = null,
+        public string $productNotExistMessage = 'sylius.product.not_exist',
+        public string $productVariantNotExistMessage = 'sylius.product_variant.not_exist',
+        public string $productVariantNotSufficientMessage = 'sylius.product_variant.not_sufficient',
         ?string $productVariantNotSufficient = null,
         ?array $groups = null,
         mixed $payload = null,
@@ -40,9 +40,9 @@ final class AddingEligibleProductVariantToCart extends Constraint
                 static::class,
             );
 
-            $productNotExistMessage ??= $options['productNotExistMessage'] ?? null;
-            $productVariantNotExistMessage ??= $options['productVariantNotExistMessage'] ?? null;
-            $productVariantNotSufficientMessage ??= $options['productVariantNotSufficientMessage'] ?? null;
+            $this->productNotExistMessage = $options['productNotExistMessage'] ?? $this->productNotExistMessage;
+            $this->productVariantNotExistMessage = $options['productVariantNotExistMessage'] ?? $this->productVariantNotExistMessage;
+            $this->productVariantNotSufficientMessage = $options['productVariantNotSufficientMessage'] ?? $this->productVariantNotSufficientMessage;
             $productVariantNotSufficient ??= $options['productVariantNotSufficient'] ?? null;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
@@ -56,23 +56,13 @@ final class AddingEligibleProductVariantToCart extends Constraint
                 static::class,
             );
 
-            $productVariantNotSufficientMessage ??= $productVariantNotSufficient;
+            $this->productVariantNotSufficientMessage = $productVariantNotSufficient;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->productNotExistMessage = $productNotExistMessage ?? $this->productNotExistMessage;
-        $this->productVariantNotExistMessage = $productVariantNotExistMessage ?? $this->productVariantNotExistMessage;
-        $this->productVariantNotSufficientMessage = $productVariantNotSufficientMessage ?? $this->productVariantNotSufficientMessage;
         $this->productVariantNotSufficient = $this->productVariantNotSufficientMessage;
     }
 
-    public string $productNotExistMessage = 'sylius.product.not_exist';
-
-    public string $productVariantNotExistMessage = 'sylius.product_variant.not_exist';
-
-    public string $productVariantNotSufficientMessage = 'sylius.product_variant.not_sufficient';
-
     /** @deprecated since Sylius 2.3, use $productVariantNotSufficientMessage instead. It will be removed in Sylius 3.0. */
     public string $productVariantNotSufficient = 'sylius.product_variant.not_sufficient';
 
diff --git a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/AdminResetPasswordTokenNonExpired.php b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/AdminResetPasswordTokenNonExpired.php
index 35b37c5215..0f4bbbd6a2 100644
--- a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/AdminResetPasswordTokenNonExpired.php
+++ b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/AdminResetPasswordTokenNonExpired.php
@@ -25,7 +25,7 @@ final class AdminResetPasswordTokenNonExpired extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.admin.expired_password_reset_token',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class AdminResetPasswordTokenNonExpired extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.admin.expired_password_reset_token';
-
     public function validatedBy(): string
     {
         return 'sylius_api_validator_admin_non_expired_password_reset_token';
diff --git a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ChangedItemQuantityInCart.php b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ChangedItemQuantityInCart.php
index 429ad82b6b..2593b12501 100644
--- a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ChangedItemQuantityInCart.php
+++ b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ChangedItemQuantityInCart.php
@@ -25,9 +25,9 @@ final class ChangedItemQuantityInCart extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $productNotExistMessage = null,
-        ?string $productVariantNotLongerAvailableMessage = null,
-        ?string $productVariantNotSufficientMessage = null,
+        public string $productNotExistMessage = 'sylius.product.not_exist',
+        public string $productVariantNotLongerAvailableMessage = 'sylius.product_variant.not_longer_available',
+        public string $productVariantNotSufficientMessage = 'sylius.product_variant.not_sufficient',
         ?string $productVariantNotLongerAvailable = null,
         ?string $productVariantNotSufficient = null,
         ?array $groups = null,
@@ -41,9 +41,9 @@ final class ChangedItemQuantityInCart extends Constraint
                 static::class,
             );
 
-            $productNotExistMessage ??= $options['productNotExistMessage'] ?? null;
-            $productVariantNotLongerAvailableMessage ??= $options['productVariantNotLongerAvailableMessage'] ?? null;
-            $productVariantNotSufficientMessage ??= $options['productVariantNotSufficientMessage'] ?? null;
+            $this->productNotExistMessage = $options['productNotExistMessage'] ?? $this->productNotExistMessage;
+            $this->productVariantNotLongerAvailableMessage = $options['productVariantNotLongerAvailableMessage'] ?? $this->productVariantNotLongerAvailableMessage;
+            $this->productVariantNotSufficientMessage = $options['productVariantNotSufficientMessage'] ?? $this->productVariantNotSufficientMessage;
             $productVariantNotLongerAvailable ??= $options['productVariantNotLongerAvailable'] ?? null;
             $productVariantNotSufficient ??= $options['productVariantNotSufficient'] ?? null;
             $groups ??= $options['groups'] ?? null;
@@ -58,7 +58,7 @@ final class ChangedItemQuantityInCart extends Constraint
                 static::class,
             );
 
-            $productVariantNotLongerAvailableMessage ??= $productVariantNotLongerAvailable;
+            $this->productVariantNotLongerAvailableMessage = $productVariantNotLongerAvailable;
         }
 
         if (null !== $productVariantNotSufficient) {
@@ -69,24 +69,14 @@ final class ChangedItemQuantityInCart extends Constraint
                 static::class,
             );
 
-            $productVariantNotSufficientMessage ??= $productVariantNotSufficient;
+            $this->productVariantNotSufficientMessage = $productVariantNotSufficient;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->productNotExistMessage = $productNotExistMessage ?? $this->productNotExistMessage;
-        $this->productVariantNotLongerAvailableMessage = $productVariantNotLongerAvailableMessage ?? $this->productVariantNotLongerAvailableMessage;
-        $this->productVariantNotSufficientMessage = $productVariantNotSufficientMessage ?? $this->productVariantNotSufficientMessage;
         $this->productVariantNotLongerAvailable = $this->productVariantNotLongerAvailableMessage;
         $this->productVariantNotSufficient = $this->productVariantNotSufficientMessage;
     }
 
-    public string $productNotExistMessage = 'sylius.product.not_exist';
-
-    public string $productVariantNotLongerAvailableMessage = 'sylius.product_variant.not_longer_available';
-
-    public string $productVariantNotSufficientMessage = 'sylius.product_variant.not_sufficient';
-
     /** @deprecated since Sylius 2.3, use $productVariantNotLongerAvailableMessage instead. It will be removed in Sylius 3.0. */
     public string $productVariantNotLongerAvailable = 'sylius.product_variant.not_longer_available';
 
diff --git a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/CheckoutCompletion.php b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/CheckoutCompletion.php
index e4a96d0eb0..f38eb8efff 100644
--- a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/CheckoutCompletion.php
+++ b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/CheckoutCompletion.php
@@ -25,7 +25,7 @@ class CheckoutCompletion extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.order.invalid_state_transition',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ class CheckoutCompletion extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.order.invalid_state_transition';
-
     public function validatedBy(): string
     {
         return 'sylius_api_validator_checkout_completion';
diff --git a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ChosenPaymentMethodEligibility.php b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ChosenPaymentMethodEligibility.php
index ce74c43531..cfa48c8a4d 100644
--- a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ChosenPaymentMethodEligibility.php
+++ b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ChosenPaymentMethodEligibility.php
@@ -25,9 +25,9 @@ final class ChosenPaymentMethodEligibility extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $notAvailableMessage = null,
-        ?string $notExistMessage = null,
-        ?string $paymentNotFoundMessage = null,
+        public string $notAvailableMessage = 'sylius.payment_method.not_available',
+        public string $notExistMessage = 'sylius.payment_method.not_exist',
+        public string $paymentNotFoundMessage = 'sylius.payment.not_found',
         ?string $notAvailable = null,
         ?string $notExist = null,
         ?string $paymentNotFound = null,
@@ -42,9 +42,9 @@ final class ChosenPaymentMethodEligibility extends Constraint
                 static::class,
             );
 
-            $notAvailableMessage ??= $options['notAvailableMessage'] ?? null;
-            $notExistMessage ??= $options['notExistMessage'] ?? null;
-            $paymentNotFoundMessage ??= $options['paymentNotFoundMessage'] ?? null;
+            $this->notAvailableMessage = $options['notAvailableMessage'] ?? $this->notAvailableMessage;
+            $this->notExistMessage = $options['notExistMessage'] ?? $this->notExistMessage;
+            $this->paymentNotFoundMessage = $options['paymentNotFoundMessage'] ?? $this->paymentNotFoundMessage;
             $notAvailable ??= $options['notAvailable'] ?? null;
             $notExist ??= $options['notExist'] ?? null;
             $paymentNotFound ??= $options['paymentNotFound'] ?? null;
@@ -60,7 +60,7 @@ final class ChosenPaymentMethodEligibility extends Constraint
                 static::class,
             );
 
-            $notAvailableMessage ??= $notAvailable;
+            $this->notAvailableMessage = $notAvailable;
         }
 
         if (null !== $notExist) {
@@ -71,7 +71,7 @@ final class ChosenPaymentMethodEligibility extends Constraint
                 static::class,
             );
 
-            $notExistMessage ??= $notExist;
+            $this->notExistMessage = $notExist;
         }
 
         if (null !== $paymentNotFound) {
@@ -82,25 +82,15 @@ final class ChosenPaymentMethodEligibility extends Constraint
                 static::class,
             );
 
-            $paymentNotFoundMessage ??= $paymentNotFound;
+            $this->paymentNotFoundMessage = $paymentNotFound;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->notAvailableMessage = $notAvailableMessage ?? $this->notAvailableMessage;
-        $this->notExistMessage = $notExistMessage ?? $this->notExistMessage;
-        $this->paymentNotFoundMessage = $paymentNotFoundMessage ?? $this->paymentNotFoundMessage;
         $this->notAvailable = $this->notAvailableMessage;
         $this->notExist = $this->notExistMessage;
         $this->paymentNotFound = $this->paymentNotFoundMessage;
     }
 
-    public string $notAvailableMessage = 'sylius.payment_method.not_available';
-
-    public string $notExistMessage = 'sylius.payment_method.not_exist';
-
-    public string $paymentNotFoundMessage = 'sylius.payment.not_found';
-
     /** @deprecated since Sylius 2.3, use $notAvailableMessage instead. It will be removed in Sylius 3.0. */
     public string $notAvailable = 'sylius.payment_method.not_available';
 
diff --git a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ChosenPaymentRequestActionEligibility.php b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ChosenPaymentRequestActionEligibility.php
index ac45636806..842cea678b 100644
--- a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ChosenPaymentRequestActionEligibility.php
+++ b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ChosenPaymentRequestActionEligibility.php
@@ -26,8 +26,8 @@ final class ChosenPaymentRequestActionEligibility extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $notAvailableMessage = null,
-        ?string $notExistMessage = null,
+        public string $notAvailableMessage = 'sylius.payment_request.action_not_available',
+        public string $notExistMessage = 'sylius.payment_method.not_exist',
         ?string $notAvailable = null,
         ?string $notExist = null,
         ?array $groups = null,
@@ -41,8 +41,8 @@ final class ChosenPaymentRequestActionEligibility extends Constraint
                 static::class,
             );
 
-            $notAvailableMessage ??= $options['notAvailableMessage'] ?? null;
-            $notExistMessage ??= $options['notExistMessage'] ?? null;
+            $this->notAvailableMessage = $options['notAvailableMessage'] ?? $this->notAvailableMessage;
+            $this->notExistMessage = $options['notExistMessage'] ?? $this->notExistMessage;
             $notAvailable ??= $options['notAvailable'] ?? null;
             $notExist ??= $options['notExist'] ?? null;
             $groups ??= $options['groups'] ?? null;
@@ -57,7 +57,7 @@ final class ChosenPaymentRequestActionEligibility extends Constraint
                 static::class,
             );
 
-            $notAvailableMessage ??= $notAvailable;
+            $this->notAvailableMessage = $notAvailable;
         }
 
         if (null !== $notExist) {
@@ -68,21 +68,14 @@ final class ChosenPaymentRequestActionEligibility extends Constraint
                 static::class,
             );
 
-            $notExistMessage ??= $notExist;
+            $this->notExistMessage = $notExist;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->notAvailableMessage = $notAvailableMessage ?? $this->notAvailableMessage;
-        $this->notExistMessage = $notExistMessage ?? $this->notExistMessage;
         $this->notAvailable = $this->notAvailableMessage;
         $this->notExist = $this->notExistMessage;
     }
 
-    public string $notAvailableMessage = 'sylius.payment_request.action_not_available';
-
-    public string $notExistMessage = 'sylius.payment_method.not_exist';
-
     /** @deprecated since Sylius 2.3, use $notAvailableMessage instead. It will be removed in Sylius 3.0. */
     public string $notAvailable = 'sylius.payment_request.action_not_available';
 
diff --git a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ChosenShippingMethodEligibility.php b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ChosenShippingMethodEligibility.php
index 11931b9420..8f4fd7a1b9 100644
--- a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ChosenShippingMethodEligibility.php
+++ b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ChosenShippingMethodEligibility.php
@@ -25,10 +25,10 @@ final class ChosenShippingMethodEligibility extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
-        ?string $notFoundMessage = null,
-        ?string $shipmentNotFoundMessage = null,
-        ?string $shippingAddressNotFoundMessage = null,
+        public string $message = 'sylius.shipping_method.not_available',
+        public string $notFoundMessage = 'sylius.shipping_method.not_found',
+        public string $shipmentNotFoundMessage = 'sylius.shipment.not_found',
+        public string $shippingAddressNotFoundMessage = 'sylius.shipping_method.shipping_address_not_found',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -40,31 +40,17 @@ final class ChosenShippingMethodEligibility extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
-            $notFoundMessage ??= $options['notFoundMessage'] ?? null;
-            $shipmentNotFoundMessage ??= $options['shipmentNotFoundMessage'] ?? null;
-            $shippingAddressNotFoundMessage ??= $options['shippingAddressNotFoundMessage'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
+            $this->notFoundMessage = $options['notFoundMessage'] ?? $this->notFoundMessage;
+            $this->shipmentNotFoundMessage = $options['shipmentNotFoundMessage'] ?? $this->shipmentNotFoundMessage;
+            $this->shippingAddressNotFoundMessage = $options['shippingAddressNotFoundMessage'] ?? $this->shippingAddressNotFoundMessage;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
-        $this->notFoundMessage = $notFoundMessage ?? $this->notFoundMessage;
-        $this->shipmentNotFoundMessage = $shipmentNotFoundMessage ?? $this->shipmentNotFoundMessage;
-        $this->shippingAddressNotFoundMessage = $shippingAddressNotFoundMessage ?? $this->shippingAddressNotFoundMessage;
     }
 
-    public string $message = 'sylius.shipping_method.not_available';
-
-    public string $notFoundMessage = 'sylius.shipping_method.not_found';
-
-    public string $shipmentNotFoundMessage = 'sylius.shipment.not_found';
-
-    /** @var string */
-    public $shippingAddressNotFoundMessage = 'sylius.shipping_method.shipping_address_not_found';
-
     public function validatedBy(): string
     {
         return 'sylius_api_validator_chosen_shipping_method_eligibility';
diff --git a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ConfirmResetPassword.php b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ConfirmResetPassword.php
index 70c9976b32..d0c0331e63 100644
--- a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ConfirmResetPassword.php
+++ b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ConfirmResetPassword.php
@@ -19,9 +19,6 @@ use Symfony\Component\Validator\Constraint;
 #[\Attribute]
 final class ConfirmResetPassword extends Constraint
 {
-    /** @var string */
-    public $message = 'sylius.user.plainPassword.mismatch';
-
     /**
      * @param array<string, mixed>|null $options
      * @param array<string>|null $groups
@@ -29,7 +26,7 @@ final class ConfirmResetPassword extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.user.plainPassword.mismatch',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -41,14 +38,12 @@ final class ConfirmResetPassword extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
     public function validatedBy(): string
diff --git a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/CorrectChangeShopUserConfirmPassword.php b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/CorrectChangeShopUserConfirmPassword.php
index b3d2682fef..80d3f4bca6 100644
--- a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/CorrectChangeShopUserConfirmPassword.php
+++ b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/CorrectChangeShopUserConfirmPassword.php
@@ -19,9 +19,6 @@ use Symfony\Component\Validator\Constraint;
 #[\Attribute]
 final class CorrectChangeShopUserConfirmPassword extends Constraint
 {
-    /** @var string */
-    public $message = 'sylius.user.plainPassword.mismatch';
-
     /**
      * @param array<string, mixed>|null $options
      * @param array<string>|null $groups
@@ -29,7 +26,7 @@ final class CorrectChangeShopUserConfirmPassword extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.user.plainPassword.mismatch',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -41,14 +38,12 @@ final class CorrectChangeShopUserConfirmPassword extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
     public function validatedBy(): string
diff --git a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/CorrectOrderAddress.php b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/CorrectOrderAddress.php
index e350f31f4e..a93086a15f 100644
--- a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/CorrectOrderAddress.php
+++ b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/CorrectOrderAddress.php
@@ -25,8 +25,8 @@ final class CorrectOrderAddress extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $countryCodeNotExistMessage = null,
-        ?string $addressWithoutCountryCodeCanNotExistMessage = null,
+        public string $countryCodeNotExistMessage = 'sylius.country.not_exist',
+        public string $addressWithoutCountryCodeCanNotExistMessage = 'sylius.address.without_country',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -38,22 +38,15 @@ final class CorrectOrderAddress extends Constraint
                 static::class,
             );
 
-            $countryCodeNotExistMessage ??= $options['countryCodeNotExistMessage'] ?? null;
-            $addressWithoutCountryCodeCanNotExistMessage ??= $options['addressWithoutCountryCodeCanNotExistMessage'] ?? null;
+            $this->countryCodeNotExistMessage = $options['countryCodeNotExistMessage'] ?? $this->countryCodeNotExistMessage;
+            $this->addressWithoutCountryCodeCanNotExistMessage = $options['addressWithoutCountryCodeCanNotExistMessage'] ?? $this->addressWithoutCountryCodeCanNotExistMessage;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->countryCodeNotExistMessage = $countryCodeNotExistMessage ?? $this->countryCodeNotExistMessage;
-        $this->addressWithoutCountryCodeCanNotExistMessage = $addressWithoutCountryCodeCanNotExistMessage ?? $this->addressWithoutCountryCodeCanNotExistMessage;
     }
 
-    public string $countryCodeNotExistMessage = 'sylius.country.not_exist';
-
-    public string $addressWithoutCountryCodeCanNotExistMessage = 'sylius.address.without_country';
-
     public function validatedBy(): string
     {
         return 'sylius_api_validator_correct_order_address';
diff --git a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/OrderAddressRequirement.php b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/OrderAddressRequirement.php
index 8422e7263e..afccec3378 100644
--- a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/OrderAddressRequirement.php
+++ b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/OrderAddressRequirement.php
@@ -25,7 +25,7 @@ final class OrderAddressRequirement extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.order.address_requirement',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class OrderAddressRequirement extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.order.address_requirement';
-
     public function validatedBy(): string
     {
         return 'sylius_order_address_requirement_validator';
diff --git a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/OrderItemAvailability.php b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/OrderItemAvailability.php
index 7f9e6dc034..69a3d572ca 100644
--- a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/OrderItemAvailability.php
+++ b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/OrderItemAvailability.php
@@ -25,7 +25,7 @@ final class OrderItemAvailability extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.product_variant.product_variant_with_name_not_sufficient',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class OrderItemAvailability extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.product_variant.product_variant_with_name_not_sufficient';
-
     public function validatedBy(): string
     {
         return 'sylius_api_validator_order_item_availability';
diff --git a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/OrderNotEmpty.php b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/OrderNotEmpty.php
index 51a83d2bef..a25f0450be 100644
--- a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/OrderNotEmpty.php
+++ b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/OrderNotEmpty.php
@@ -25,7 +25,7 @@ final class OrderNotEmpty extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.order.not_empty',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class OrderNotEmpty extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.order.not_empty';
-
     public function validatedBy(): string
     {
         return 'sylius_api_validator_order_not_empty';
diff --git a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/OrderPaymentMethodEligibility.php b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/OrderPaymentMethodEligibility.php
index 71d4726c1c..8ac1ff46be 100644
--- a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/OrderPaymentMethodEligibility.php
+++ b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/OrderPaymentMethodEligibility.php
@@ -25,7 +25,7 @@ final class OrderPaymentMethodEligibility extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.order.payment_method_eligibility',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class OrderPaymentMethodEligibility extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.order.payment_method_eligibility';
-
     public function validatedBy(): string
     {
         return 'sylius_api_order_payment_method_eligibility';
diff --git a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/OrderProductEligibility.php b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/OrderProductEligibility.php
index f3f2baf8d7..de09b6c78f 100644
--- a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/OrderProductEligibility.php
+++ b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/OrderProductEligibility.php
@@ -25,7 +25,7 @@ final class OrderProductEligibility extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.order.product_eligibility',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class OrderProductEligibility extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.order.product_eligibility';
-
     public function validatedBy(): string
     {
         return 'sylius_api_validator_order_product_eligibility';
diff --git a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/OrderShippingMethodEligibility.php b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/OrderShippingMethodEligibility.php
index 7a0c66ea0d..550a464bf0 100644
--- a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/OrderShippingMethodEligibility.php
+++ b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/OrderShippingMethodEligibility.php
@@ -19,10 +19,6 @@ use Symfony\Component\Validator\Constraint;
 #[\Attribute]
 final class OrderShippingMethodEligibility extends Constraint
 {
-    public string $message = 'sylius.order.shipping_method_eligibility';
-
-    public string $methodNotAvailableMessage = 'sylius.order.shipping_method_not_available';
-
     /**
      * @param array<string, mixed>|null $options
      * @param array<string>|null $groups
@@ -30,8 +26,8 @@ final class OrderShippingMethodEligibility extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
-        ?string $methodNotAvailableMessage = null,
+        public string $message = 'sylius.order.shipping_method_eligibility',
+        public string $methodNotAvailableMessage = 'sylius.order.shipping_method_not_available',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -43,16 +39,13 @@ final class OrderShippingMethodEligibility extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
-            $methodNotAvailableMessage ??= $options['methodNotAvailableMessage'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
+            $this->methodNotAvailableMessage = $options['methodNotAvailableMessage'] ?? $this->methodNotAvailableMessage;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
-        $this->methodNotAvailableMessage = $methodNotAvailableMessage ?? $this->methodNotAvailableMessage;
     }
 
     public function getMessage(): string
diff --git a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/PlacedOrderCartItemsImmutable.php b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/PlacedOrderCartItemsImmutable.php
index bb7c37cffa..9ab4424265 100644
--- a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/PlacedOrderCartItemsImmutable.php
+++ b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/PlacedOrderCartItemsImmutable.php
@@ -25,7 +25,7 @@ final class PlacedOrderCartItemsImmutable extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.order.cart_items_immutable',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class PlacedOrderCartItemsImmutable extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.order.cart_items_immutable';
-
     public function validatedBy(): string
     {
         return 'sylius_validator_placed_order_cart_items_immutable';
diff --git a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/PromotionCouponEligibility.php b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/PromotionCouponEligibility.php
index 37e6e1a31e..499458bd16 100644
--- a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/PromotionCouponEligibility.php
+++ b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/PromotionCouponEligibility.php
@@ -19,9 +19,6 @@ use Symfony\Component\Validator\Constraint;
 #[\Attribute]
 final class PromotionCouponEligibility extends Constraint
 {
-    /** @var string */
-    public $message = 'sylius.promotion_coupon.is_invalid';
-
     /**
      * @param array<string, mixed>|null $options
      * @param array<string>|null $groups
@@ -29,7 +26,7 @@ final class PromotionCouponEligibility extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.promotion_coupon.is_invalid',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -41,14 +38,12 @@ final class PromotionCouponEligibility extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
     public function validatedBy(): string
diff --git a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ShipmentAlreadyShipped.php b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ShipmentAlreadyShipped.php
index f3263612d4..91814e5c3c 100644
--- a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ShipmentAlreadyShipped.php
+++ b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ShipmentAlreadyShipped.php
@@ -25,7 +25,7 @@ final class ShipmentAlreadyShipped extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.shipment.shipped',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class ShipmentAlreadyShipped extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.shipment.shipped';
-
     public function validatedBy(): string
     {
         return 'sylius_api_shipment_already_shipped';
diff --git a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ShopUserNotVerified.php b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ShopUserNotVerified.php
index f0ffb39f5f..3586f09784 100644
--- a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ShopUserNotVerified.php
+++ b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ShopUserNotVerified.php
@@ -25,7 +25,7 @@ final class ShopUserNotVerified extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.account.is_verified',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class ShopUserNotVerified extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.account.is_verified';
-
     public function validatedBy(): string
     {
         return 'sylius_api_shop_user_not_verified';
diff --git a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ShopUserResetPasswordTokenExists.php b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ShopUserResetPasswordTokenExists.php
index f322d9f185..d8ab65818f 100644
--- a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ShopUserResetPasswordTokenExists.php
+++ b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ShopUserResetPasswordTokenExists.php
@@ -25,7 +25,7 @@ final class ShopUserResetPasswordTokenExists extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.reset_password.invalid_token',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class ShopUserResetPasswordTokenExists extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.reset_password.invalid_token';
-
     public function validatedBy(): string
     {
         return 'sylius_api_shop_user_reset_password_token_exists';
diff --git a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ShopUserResetPasswordTokenNotExpired.php b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ShopUserResetPasswordTokenNotExpired.php
index f440069856..248744ecd8 100644
--- a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ShopUserResetPasswordTokenNotExpired.php
+++ b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ShopUserResetPasswordTokenNotExpired.php
@@ -25,7 +25,7 @@ final class ShopUserResetPasswordTokenNotExpired extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.reset_password.token_expired',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class ShopUserResetPasswordTokenNotExpired extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.reset_password.token_expired';
-
     public function validatedBy(): string
     {
         return 'sylius_api_shop_user_reset_password_token_not_expired';
diff --git a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ShopUserVerificationTokenEligibility.php b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ShopUserVerificationTokenEligibility.php
index f4408fe91f..dc16a22761 100644
--- a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ShopUserVerificationTokenEligibility.php
+++ b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/ShopUserVerificationTokenEligibility.php
@@ -25,7 +25,7 @@ final class ShopUserVerificationTokenEligibility extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.account.invalid_verification_token',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class ShopUserVerificationTokenEligibility extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.account.invalid_verification_token';
-
     public function validatedBy(): string
     {
         return 'sylius_api_validator_shop_user_verification_token_eligibility';
diff --git a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/SingleValueForProductVariantOption.php b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/SingleValueForProductVariantOption.php
index 03887a401e..91d0f8b262 100644
--- a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/SingleValueForProductVariantOption.php
+++ b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/SingleValueForProductVariantOption.php
@@ -25,7 +25,7 @@ final class SingleValueForProductVariantOption extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.product_variant.option_values.single_value',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class SingleValueForProductVariantOption extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.product_variant.option_values.single_value';
-
     public function validatedBy(): string
     {
         return 'sylius_api_validator_single_value_for_product_variant_option';
diff --git a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/UniqueReviewerEmail.php b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/UniqueReviewerEmail.php
index 2a33ddf5ca..eccc10eb90 100644
--- a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/UniqueReviewerEmail.php
+++ b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/UniqueReviewerEmail.php
@@ -25,7 +25,7 @@ final class UniqueReviewerEmail extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.review.author.already_exists',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class UniqueReviewerEmail extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.review.author.already_exists';
-
     public function validatedBy(): string
     {
         return 'sylius_api_unique_reviewer_email_validator';
diff --git a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/UniqueShopUserEmail.php b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/UniqueShopUserEmail.php
index d1c748ac09..7a029439bb 100644
--- a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/UniqueShopUserEmail.php
+++ b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/UniqueShopUserEmail.php
@@ -25,7 +25,7 @@ final class UniqueShopUserEmail extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.user.email.unique',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class UniqueShopUserEmail extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.user.email.unique';
-
     public function validatedBy(): string
     {
         return 'sylius_validator_unique_shop_user_email';
diff --git a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/UpdateCartEmailNotAllowed.php b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/UpdateCartEmailNotAllowed.php
index 6aba743dcb..85934942cf 100644
--- a/src/Sylius/Bundle/ApiBundle/Validator/Constraints/UpdateCartEmailNotAllowed.php
+++ b/src/Sylius/Bundle/ApiBundle/Validator/Constraints/UpdateCartEmailNotAllowed.php
@@ -25,7 +25,7 @@ final class UpdateCartEmailNotAllowed extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.checkout.email.not_changeable',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class UpdateCartEmailNotAllowed extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.checkout.email.not_changeable';
-
     public function validatedBy(): string
     {
         return 'sylius_validator_update_cart_email_not_allowed';
diff --git a/src/Sylius/Bundle/AttributeBundle/Validator/Constraints/AttributeType.php b/src/Sylius/Bundle/AttributeBundle/Validator/Constraints/AttributeType.php
index 16bc1520c5..c4bf311052 100644
--- a/src/Sylius/Bundle/AttributeBundle/Validator/Constraints/AttributeType.php
+++ b/src/Sylius/Bundle/AttributeBundle/Validator/Constraints/AttributeType.php
@@ -25,7 +25,7 @@ class AttributeType extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $unregisteredAttributeTypeMessage = null,
+        public string $unregisteredAttributeTypeMessage = 'sylius.attribute.type.unregistered',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ class AttributeType extends Constraint
                 static::class,
             );
 
-            $unregisteredAttributeTypeMessage ??= $options['unregisteredAttributeTypeMessage'] ?? null;
+            $this->unregisteredAttributeTypeMessage = $options['unregisteredAttributeTypeMessage'] ?? $this->unregisteredAttributeTypeMessage;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->unregisteredAttributeTypeMessage = $unregisteredAttributeTypeMessage ?? $this->unregisteredAttributeTypeMessage;
     }
 
-    public string $unregisteredAttributeTypeMessage = 'sylius.attribute.type.unregistered';
-
     public function getTargets(): string
     {
         return self::CLASS_CONSTRAINT;
diff --git a/src/Sylius/Bundle/AttributeBundle/Validator/Constraints/ValidSelectAttributeConfiguration.php b/src/Sylius/Bundle/AttributeBundle/Validator/Constraints/ValidSelectAttributeConfiguration.php
index 580682b47c..51ffe7933d 100644
--- a/src/Sylius/Bundle/AttributeBundle/Validator/Constraints/ValidSelectAttributeConfiguration.php
+++ b/src/Sylius/Bundle/AttributeBundle/Validator/Constraints/ValidSelectAttributeConfiguration.php
@@ -25,9 +25,9 @@ final class ValidSelectAttributeConfiguration extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $messageMultiple = null,
-        ?string $messageMinEntries = null,
-        ?string $messageMaxEntries = null,
+        public string $messageMultiple = 'sylius.attribute.configuration.multiple',
+        public string $messageMinEntries = 'sylius.attribute.configuration.min_entries',
+        public string $messageMaxEntries = 'sylius.attribute.configuration.max_entries',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -39,26 +39,16 @@ final class ValidSelectAttributeConfiguration extends Constraint
                 static::class,
             );
 
-            $messageMultiple ??= $options['messageMultiple'] ?? null;
-            $messageMinEntries ??= $options['messageMinEntries'] ?? null;
-            $messageMaxEntries ??= $options['messageMaxEntries'] ?? null;
+            $this->messageMultiple = $options['messageMultiple'] ?? $this->messageMultiple;
+            $this->messageMinEntries = $options['messageMinEntries'] ?? $this->messageMinEntries;
+            $this->messageMaxEntries = $options['messageMaxEntries'] ?? $this->messageMaxEntries;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->messageMultiple = $messageMultiple ?? $this->messageMultiple;
-        $this->messageMinEntries = $messageMinEntries ?? $this->messageMinEntries;
-        $this->messageMaxEntries = $messageMaxEntries ?? $this->messageMaxEntries;
     }
 
-    public string $messageMultiple = 'sylius.attribute.configuration.multiple';
-
-    public string $messageMinEntries = 'sylius.attribute.configuration.min_entries';
-
-    public string $messageMaxEntries = 'sylius.attribute.configuration.max_entries';
-
     public function getTargets(): string
     {
         return self::CLASS_CONSTRAINT;
diff --git a/src/Sylius/Bundle/AttributeBundle/Validator/Constraints/ValidTextAttributeConfiguration.php b/src/Sylius/Bundle/AttributeBundle/Validator/Constraints/ValidTextAttributeConfiguration.php
index eb5c3d5106..174d763ebc 100644
--- a/src/Sylius/Bundle/AttributeBundle/Validator/Constraints/ValidTextAttributeConfiguration.php
+++ b/src/Sylius/Bundle/AttributeBundle/Validator/Constraints/ValidTextAttributeConfiguration.php
@@ -25,7 +25,7 @@ final class ValidTextAttributeConfiguration extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.attribute.configuration.max_length',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class ValidTextAttributeConfiguration extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.attribute.configuration.max_length';
-
     public function getTargets(): string
     {
         return self::CLASS_CONSTRAINT;
diff --git a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/AllowedImageMimeTypes.php b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/AllowedImageMimeTypes.php
index ddaa3c1f1c..ae616e0ccf 100644
--- a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/AllowedImageMimeTypes.php
+++ b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/AllowedImageMimeTypes.php
@@ -25,7 +25,7 @@ final class AllowedImageMimeTypes extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.image.file.allowed_mime_types',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class AllowedImageMimeTypes extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.image.file.allowed_mime_types';
-
     public function validatedBy(): string
     {
         return 'sylius_image_allowed_mime_types_validator';
diff --git a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/CartItemAvailability.php b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/CartItemAvailability.php
index f9033993db..c0a1203d87 100644
--- a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/CartItemAvailability.php
+++ b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/CartItemAvailability.php
@@ -25,7 +25,7 @@ final class CartItemAvailability extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.cart_item.not_available',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class CartItemAvailability extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.cart_item.not_available';
-
     public function validatedBy(): string
     {
         return 'sylius_cart_item_availability';
diff --git a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/CartItemVariantEnabled.php b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/CartItemVariantEnabled.php
index 9a81b086b4..e85f7d7df7 100644
--- a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/CartItemVariantEnabled.php
+++ b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/CartItemVariantEnabled.php
@@ -25,7 +25,7 @@ final class CartItemVariantEnabled extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.cart_item.variant.not_available',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class CartItemVariantEnabled extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.cart_item.variant.not_available';
-
     public function validatedBy(): string
     {
         return 'sylius_cart_item_variant_enabled';
diff --git a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ChannelCodeCollection.php b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ChannelCodeCollection.php
index 2ecc5a424f..692eb95d2d 100644
--- a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ChannelCodeCollection.php
+++ b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ChannelCodeCollection.php
@@ -19,39 +19,22 @@ use Symfony\Component\Validator\Constraint;
 #[\Attribute]
 final class ChannelCodeCollection extends Constraint
 {
-    /** @var array<Constraint> */
-    public array $constraints = [];
-
-    public bool $allowExtraFields = false;
-
-    public bool $allowMissingFields = false;
-
-    public ?string $channelAwarePropertyPath = null;
-
-    public ?string $extraFieldsMessage = null;
-
-    public ?string $missingFieldsMessage = null;
-
-    public string $invalidChannelMessage = 'sylius.channel_code_collection.invalid_channel';
-
-    public bool $validateAgainstAllChannels = false;
-
     /**
      * @param array<string, mixed>|null $options
-     * @param array<Constraint>|null $constraints
+     * @param array<Constraint> $constraints
      * @param array<string>|null $groups
      */
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?array $constraints = null,
-        ?bool $allowExtraFields = null,
-        ?bool $allowMissingFields = null,
-        ?string $channelAwarePropertyPath = null,
-        ?string $extraFieldsMessage = null,
-        ?string $missingFieldsMessage = null,
-        ?string $invalidChannelMessage = null,
-        ?bool $validateAgainstAllChannels = null,
+        public array $constraints = [],
+        public bool $allowExtraFields = false,
+        public bool $allowMissingFields = false,
+        public ?string $channelAwarePropertyPath = null,
+        public ?string $extraFieldsMessage = null,
+        public ?string $missingFieldsMessage = null,
+        public string $invalidChannelMessage = 'sylius.channel_code_collection.invalid_channel',
+        public bool $validateAgainstAllChannels = false,
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -63,28 +46,19 @@ final class ChannelCodeCollection extends Constraint
                 static::class,
             );
 
-            $constraints ??= $options['constraints'] ?? null;
-            $allowExtraFields ??= $options['allowExtraFields'] ?? null;
-            $allowMissingFields ??= $options['allowMissingFields'] ?? null;
-            $channelAwarePropertyPath ??= $options['channelAwarePropertyPath'] ?? null;
-            $extraFieldsMessage ??= $options['extraFieldsMessage'] ?? null;
-            $missingFieldsMessage ??= $options['missingFieldsMessage'] ?? null;
-            $invalidChannelMessage ??= $options['invalidChannelMessage'] ?? null;
-            $validateAgainstAllChannels ??= $options['validateAgainstAllChannels'] ?? null;
+            $this->constraints = $options['constraints'] ?? $this->constraints;
+            $this->allowExtraFields = $options['allowExtraFields'] ?? $this->allowExtraFields;
+            $this->allowMissingFields = $options['allowMissingFields'] ?? $this->allowMissingFields;
+            $this->channelAwarePropertyPath = $options['channelAwarePropertyPath'] ?? $this->channelAwarePropertyPath;
+            $this->extraFieldsMessage = $options['extraFieldsMessage'] ?? $this->extraFieldsMessage;
+            $this->missingFieldsMessage = $options['missingFieldsMessage'] ?? $this->missingFieldsMessage;
+            $this->invalidChannelMessage = $options['invalidChannelMessage'] ?? $this->invalidChannelMessage;
+            $this->validateAgainstAllChannels = $options['validateAgainstAllChannels'] ?? $this->validateAgainstAllChannels;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->constraints = $constraints ?? $this->constraints;
-        $this->allowExtraFields = $allowExtraFields ?? $this->allowExtraFields;
-        $this->allowMissingFields = $allowMissingFields ?? $this->allowMissingFields;
-        $this->channelAwarePropertyPath = $channelAwarePropertyPath ?? $this->channelAwarePropertyPath;
-        $this->extraFieldsMessage = $extraFieldsMessage ?? $this->extraFieldsMessage;
-        $this->missingFieldsMessage = $missingFieldsMessage ?? $this->missingFieldsMessage;
-        $this->invalidChannelMessage = $invalidChannelMessage ?? $this->invalidChannelMessage;
-        $this->validateAgainstAllChannels = $validateAgainstAllChannels ?? $this->validateAgainstAllChannels;
     }
 
     public function validatedBy(): string
diff --git a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ChannelDefaultLocaleEnabled.php b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ChannelDefaultLocaleEnabled.php
index 6b98251222..9269446509 100644
--- a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ChannelDefaultLocaleEnabled.php
+++ b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ChannelDefaultLocaleEnabled.php
@@ -25,7 +25,7 @@ final class ChannelDefaultLocaleEnabled extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.channel.default_locale.enabled',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class ChannelDefaultLocaleEnabled extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.channel.default_locale.enabled';
-
     public function getTargets(): string
     {
         return self::CLASS_CONSTRAINT;
diff --git a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/CountryCodeExists.php b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/CountryCodeExists.php
index 2ce89c746f..638f1e583e 100644
--- a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/CountryCodeExists.php
+++ b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/CountryCodeExists.php
@@ -25,7 +25,7 @@ final class CountryCodeExists extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.country.code.not_exist',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class CountryCodeExists extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.country.code.not_exist';
-
     public function validatedBy(): string
     {
         return 'sylius_country_code_exists';
diff --git a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/CustomerGroupCodeExists.php b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/CustomerGroupCodeExists.php
index 7f7f4bcdcf..d22353d91c 100644
--- a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/CustomerGroupCodeExists.php
+++ b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/CustomerGroupCodeExists.php
@@ -25,7 +25,7 @@ final class CustomerGroupCodeExists extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.customer_group.code.not_exist',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class CustomerGroupCodeExists extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.customer_group.code.not_exist';
-
     public function validatedBy(): string
     {
         return 'sylius_customer_group_code_exists';
diff --git a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ExistingChannelCode.php b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ExistingChannelCode.php
index 3d2ab3222c..61b22ac6a1 100644
--- a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ExistingChannelCode.php
+++ b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ExistingChannelCode.php
@@ -25,7 +25,7 @@ final class ExistingChannelCode extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.product_variant.channel_pricing.existing_code',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class ExistingChannelCode extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.product_variant.channel_pricing.existing_code';
-
     public function validatedBy(): string
     {
         return 'sylius_channel_code_among_existing_ones';
diff --git a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/HasAllPricesDefined.php b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/HasAllPricesDefined.php
index bcf4d0cf53..310e22f19f 100644
--- a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/HasAllPricesDefined.php
+++ b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/HasAllPricesDefined.php
@@ -25,7 +25,7 @@ final class HasAllPricesDefined extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.product_variant.channel_pricing.price.not_defined',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class HasAllPricesDefined extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.product_variant.channel_pricing.price.not_defined';
-
     public function validatedBy(): string
     {
         return 'sylius_has_all_prices_defined';
diff --git a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/HasAllVariantPricesDefined.php b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/HasAllVariantPricesDefined.php
index 9cdb6af0f1..9c3c266097 100644
--- a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/HasAllVariantPricesDefined.php
+++ b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/HasAllVariantPricesDefined.php
@@ -25,7 +25,7 @@ final class HasAllVariantPricesDefined extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.product.variants.all_prices_defined',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class HasAllVariantPricesDefined extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.product.variants.all_prices_defined';
-
     public function validatedBy(): string
     {
         return 'sylius_has_all_variant_prices_defined';
diff --git a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/HasEnabledEntity.php b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/HasEnabledEntity.php
index 82b19c64e0..eb01cb2d83 100644
--- a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/HasEnabledEntity.php
+++ b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/HasEnabledEntity.php
@@ -25,11 +25,11 @@ final class HasEnabledEntity extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $objectManager = null,
-        ?string $message = null,
-        ?string $repositoryMethod = null,
-        ?string $errorPath = null,
-        ?string $enabledPath = null,
+        public ?string $objectManager = null,
+        public string $message = 'Must have at least one enabled entity',
+        public string $repositoryMethod = 'findBy',
+        public ?string $errorPath = null,
+        public string $enabledPath = 'enabled',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -41,34 +41,18 @@ final class HasEnabledEntity extends Constraint
                 static::class,
             );
 
-            $objectManager ??= $options['objectManager'] ?? null;
-            $message ??= $options['message'] ?? null;
-            $repositoryMethod ??= $options['repositoryMethod'] ?? null;
-            $errorPath ??= $options['errorPath'] ?? null;
-            $enabledPath ??= $options['enabledPath'] ?? null;
+            $this->objectManager = $options['objectManager'] ?? $this->objectManager;
+            $this->message = $options['message'] ?? $this->message;
+            $this->repositoryMethod = $options['repositoryMethod'] ?? $this->repositoryMethod;
+            $this->errorPath = $options['errorPath'] ?? $this->errorPath;
+            $this->enabledPath = $options['enabledPath'] ?? $this->enabledPath;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->objectManager = $objectManager ?? $this->objectManager;
-        $this->message = $message ?? $this->message;
-        $this->repositoryMethod = $repositoryMethod ?? $this->repositoryMethod;
-        $this->errorPath = $errorPath ?? $this->errorPath;
-        $this->enabledPath = $enabledPath ?? $this->enabledPath;
     }
 
-    public ?string $objectManager = null;
-
-    public string $message = 'Must have at least one enabled entity';
-
-    public string $repositoryMethod = 'findBy';
-
-    public ?string $errorPath = null;
-
-    public string $enabledPath = 'enabled';
-
     public function getTargets(): string
     {
         return self::CLASS_CONSTRAINT;
diff --git a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/MaxInteger.php b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/MaxInteger.php
index 4e45606bf3..47446b2b1a 100644
--- a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/MaxInteger.php
+++ b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/MaxInteger.php
@@ -25,7 +25,7 @@ final class MaxInteger extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.max_integer',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class MaxInteger extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.max_integer';
-
     public function validatedBy(): string
     {
         return 'sylius_max_integer';
diff --git a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/OrderPaymentMethodEligibility.php b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/OrderPaymentMethodEligibility.php
index 8ff5b04136..cd7eb4d7ab 100644
--- a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/OrderPaymentMethodEligibility.php
+++ b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/OrderPaymentMethodEligibility.php
@@ -25,7 +25,7 @@ final class OrderPaymentMethodEligibility extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.order.payment_method_eligibility',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class OrderPaymentMethodEligibility extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.order.payment_method_eligibility';
-
     public function validatedBy(): string
     {
         return 'sylius_order_payment_method_eligibility_validator';
diff --git a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/OrderProductEligibility.php b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/OrderProductEligibility.php
index e3dea8f78d..16a17d55de 100644
--- a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/OrderProductEligibility.php
+++ b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/OrderProductEligibility.php
@@ -25,7 +25,7 @@ final class OrderProductEligibility extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.order.product_eligibility',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class OrderProductEligibility extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.order.product_eligibility';
-
     public function validatedBy(): string
     {
         return 'sylius_order_product_eligibility_validator';
diff --git a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/OrderShippingMethodEligibility.php b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/OrderShippingMethodEligibility.php
index 8e879b6baf..a17ffd5c0b 100644
--- a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/OrderShippingMethodEligibility.php
+++ b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/OrderShippingMethodEligibility.php
@@ -19,10 +19,6 @@ use Symfony\Component\Validator\Constraint;
 #[\Attribute]
 final class OrderShippingMethodEligibility extends Constraint
 {
-    public string $message = 'sylius.order.shipping_method_eligibility';
-
-    public string $methodNotAvailableMessage = 'sylius.order.shipping_method_not_available';
-
     /**
      * @param array<string, mixed>|null $options
      * @param array<string>|null $groups
@@ -30,8 +26,8 @@ final class OrderShippingMethodEligibility extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
-        ?string $methodNotAvailableMessage = null,
+        public string $message = 'sylius.order.shipping_method_eligibility',
+        public string $methodNotAvailableMessage = 'sylius.order.shipping_method_not_available',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -43,16 +39,13 @@ final class OrderShippingMethodEligibility extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
-            $methodNotAvailableMessage ??= $options['methodNotAvailableMessage'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
+            $this->methodNotAvailableMessage = $options['methodNotAvailableMessage'] ?? $this->methodNotAvailableMessage;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
-        $this->methodNotAvailableMessage = $methodNotAvailableMessage ?? $this->methodNotAvailableMessage;
     }
 
     public function getMessage(): string
diff --git a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ProductCodeExists.php b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ProductCodeExists.php
index c37f7ae63f..4b7da846a3 100644
--- a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ProductCodeExists.php
+++ b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ProductCodeExists.php
@@ -25,7 +25,7 @@ final class ProductCodeExists extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.product.code.not_exist',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class ProductCodeExists extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.product.code.not_exist';
-
     public function validatedBy(): string
     {
         return 'sylius_product_code_exists';
diff --git a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ProductImageVariantsBelongToOwner.php b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ProductImageVariantsBelongToOwner.php
index 942bb4e85e..20a2f6da21 100644
--- a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ProductImageVariantsBelongToOwner.php
+++ b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ProductImageVariantsBelongToOwner.php
@@ -25,7 +25,7 @@ final class ProductImageVariantsBelongToOwner extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.product_image.product_variant.not_belong_to_owner',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class ProductImageVariantsBelongToOwner extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.product_image.product_variant.not_belong_to_owner';
-
     public function getTargets(): string
     {
         return self::CLASS_CONSTRAINT;
diff --git a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ProductVariantCodeExists.php b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ProductVariantCodeExists.php
index 41a64616a0..42cccf1536 100644
--- a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ProductVariantCodeExists.php
+++ b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ProductVariantCodeExists.php
@@ -25,7 +25,7 @@ final class ProductVariantCodeExists extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.product_variant.code.not_exist',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class ProductVariantCodeExists extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.product_variant.code.not_exist';
-
     public function validatedBy(): string
     {
         return 'sylius_product_variant_code_exists';
diff --git a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ProvinceCodeExists.php b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ProvinceCodeExists.php
index 23262b69ea..0825cf6565 100644
--- a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ProvinceCodeExists.php
+++ b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ProvinceCodeExists.php
@@ -25,7 +25,7 @@ final class ProvinceCodeExists extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.province.code.not_exist',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class ProvinceCodeExists extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.province.code.not_exist';
-
     public function validatedBy(): string
     {
         return 'sylius_province_code_exists';
diff --git a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/RegisteredUser.php b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/RegisteredUser.php
index 32f9d2c5a6..b1f8ff05c9 100644
--- a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/RegisteredUser.php
+++ b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/RegisteredUser.php
@@ -25,7 +25,7 @@ final class RegisteredUser extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'This email is already registered. Please log in.',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class RegisteredUser extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'This email is already registered. Please log in.';
-
     public function validatedBy(): string
     {
         return 'registered_user_validator';
diff --git a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ResendOrderConfirmationEmailWithValidOrderState.php b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ResendOrderConfirmationEmailWithValidOrderState.php
index 376aab7038..af81c52079 100644
--- a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ResendOrderConfirmationEmailWithValidOrderState.php
+++ b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ResendOrderConfirmationEmailWithValidOrderState.php
@@ -25,7 +25,7 @@ final class ResendOrderConfirmationEmailWithValidOrderState extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.resend_order_confirmation_email.invalid_order_state',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class ResendOrderConfirmationEmailWithValidOrderState extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.resend_order_confirmation_email.invalid_order_state';
-
     public function validatedBy(): string
     {
         return 'sylius_order_confirmation_with_valid_order_state';
diff --git a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ResendShipmentConfirmationEmailWithValidShipmentState.php b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ResendShipmentConfirmationEmailWithValidShipmentState.php
index 4d90173919..7299529200 100644
--- a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ResendShipmentConfirmationEmailWithValidShipmentState.php
+++ b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ResendShipmentConfirmationEmailWithValidShipmentState.php
@@ -25,7 +25,7 @@ final class ResendShipmentConfirmationEmailWithValidShipmentState extends Constr
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.resend_shipment_confirmation_email.invalid_shipment_state',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class ResendShipmentConfirmationEmailWithValidShipmentState extends Constr
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.resend_shipment_confirmation_email.invalid_shipment_state';
-
     public function validatedBy(): string
     {
         return 'sylius_shipment_confirmation_with_valid_shipment_state';
diff --git a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/TaxonCodeExists.php b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/TaxonCodeExists.php
index 1c892c3c9b..d12fee28d5 100644
--- a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/TaxonCodeExists.php
+++ b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/TaxonCodeExists.php
@@ -25,7 +25,7 @@ final class TaxonCodeExists extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.taxon.code.not_exist',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class TaxonCodeExists extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.taxon.code.not_exist';
-
     public function validatedBy(): string
     {
         return 'sylius_taxon_code_exists';
diff --git a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/TranslationForExistingLocales.php b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/TranslationForExistingLocales.php
index 0facae7423..2cb189bf4e 100644
--- a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/TranslationForExistingLocales.php
+++ b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/TranslationForExistingLocales.php
@@ -25,7 +25,7 @@ final class TranslationForExistingLocales extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.translation.locale_code.invalid',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class TranslationForExistingLocales extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.translation.locale_code.invalid';
-
     public function validatedBy(): string
     {
         return 'sylius_translation_for_existing_locales';
diff --git a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/UniqueReviewerEmail.php b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/UniqueReviewerEmail.php
index e8a3ec829d..fc6681c22b 100644
--- a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/UniqueReviewerEmail.php
+++ b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/UniqueReviewerEmail.php
@@ -19,9 +19,6 @@ use Symfony\Component\Validator\Constraint;
 #[\Attribute]
 class UniqueReviewerEmail extends Constraint
 {
-    /** @var string */
-    public $message = 'sylius.review.author.already_exists';
-
     /**
      * @param array<string, mixed>|null $options
      * @param array<string>|null $groups
@@ -29,7 +26,7 @@ class UniqueReviewerEmail extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.review.author.already_exists',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -41,14 +38,12 @@ class UniqueReviewerEmail extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
     public function validatedBy(): string
diff --git a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ZoneCodeExists.php b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ZoneCodeExists.php
index d72e94010e..a443ffd93b 100644
--- a/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ZoneCodeExists.php
+++ b/src/Sylius/Bundle/CoreBundle/Validator/Constraints/ZoneCodeExists.php
@@ -25,7 +25,7 @@ final class ZoneCodeExists extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.zone.code.not_exist',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class ZoneCodeExists extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.zone.code.not_exist';
-
     public function validatedBy(): string
     {
         return 'sylius_zone_code_exists';
diff --git a/src/Sylius/Bundle/CurrencyBundle/Validator/Constraints/DifferentSourceTargetCurrency.php b/src/Sylius/Bundle/CurrencyBundle/Validator/Constraints/DifferentSourceTargetCurrency.php
index d28b78ec1f..ef4fada6f7 100644
--- a/src/Sylius/Bundle/CurrencyBundle/Validator/Constraints/DifferentSourceTargetCurrency.php
+++ b/src/Sylius/Bundle/CurrencyBundle/Validator/Constraints/DifferentSourceTargetCurrency.php
@@ -19,9 +19,6 @@ use Symfony\Component\Validator\Constraint;
 #[\Attribute]
 class DifferentSourceTargetCurrency extends Constraint
 {
-    /** @var string */
-    public $message = 'sylius.exchange_rate.different_source_target_currency';
-
     /**
      * @param array<string, mixed>|null $options
      * @param array<string>|null $groups
@@ -29,7 +26,7 @@ class DifferentSourceTargetCurrency extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.exchange_rate.different_source_target_currency',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -41,14 +38,12 @@ class DifferentSourceTargetCurrency extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
     public function getTargets(): string
diff --git a/src/Sylius/Bundle/CurrencyBundle/Validator/Constraints/UniqueCurrencyPair.php b/src/Sylius/Bundle/CurrencyBundle/Validator/Constraints/UniqueCurrencyPair.php
index fa52e46ddd..2bfd663ddc 100644
--- a/src/Sylius/Bundle/CurrencyBundle/Validator/Constraints/UniqueCurrencyPair.php
+++ b/src/Sylius/Bundle/CurrencyBundle/Validator/Constraints/UniqueCurrencyPair.php
@@ -19,9 +19,6 @@ use Symfony\Component\Validator\Constraint;
 #[\Attribute]
 class UniqueCurrencyPair extends Constraint
 {
-    /** @var string */
-    public $message = 'sylius.exchange_rate.unique_currency_pair';
-
     /**
      * @param array<string, mixed>|null $options
      * @param array<string>|null $groups
@@ -29,7 +26,7 @@ class UniqueCurrencyPair extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.exchange_rate.unique_currency_pair',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -41,14 +38,12 @@ class UniqueCurrencyPair extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
     public function getTargets(): string
diff --git a/src/Sylius/Bundle/InventoryBundle/Validator/Constraints/InStock.php b/src/Sylius/Bundle/InventoryBundle/Validator/Constraints/InStock.php
index 163e9909a4..5a753a34ca 100644
--- a/src/Sylius/Bundle/InventoryBundle/Validator/Constraints/InStock.php
+++ b/src/Sylius/Bundle/InventoryBundle/Validator/Constraints/InStock.php
@@ -25,10 +25,10 @@ final class InStock extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
-        ?string $shortMessage = null,
-        ?string $stockablePath = null,
-        ?string $quantityPath = null,
+        public string $message = 'sylius.cart_item.not_available',
+        public string $shortMessage = 'sylius.cart_item.insufficient_stock',
+        public string $stockablePath = 'stockable',
+        public string $quantityPath = 'quantity',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -40,30 +40,17 @@ final class InStock extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
-            $shortMessage ??= $options['shortMessage'] ?? null;
-            $stockablePath ??= $options['stockablePath'] ?? null;
-            $quantityPath ??= $options['quantityPath'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
+            $this->shortMessage = $options['shortMessage'] ?? $this->shortMessage;
+            $this->stockablePath = $options['stockablePath'] ?? $this->stockablePath;
+            $this->quantityPath = $options['quantityPath'] ?? $this->quantityPath;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
-        $this->shortMessage = $shortMessage ?? $this->shortMessage;
-        $this->stockablePath = $stockablePath ?? $this->stockablePath;
-        $this->quantityPath = $quantityPath ?? $this->quantityPath;
     }
 
-    public string $message = 'sylius.cart_item.not_available';
-
-    public string $shortMessage = 'sylius.cart_item.insufficient_stock';
-
-    public string $stockablePath = 'stockable';
-
-    public string $quantityPath = 'quantity';
-
     public function validatedBy(): string
     {
         return 'sylius_in_stock';
diff --git a/src/Sylius/Bundle/PaymentBundle/Validator/Constraints/GatewayFactoryExists.php b/src/Sylius/Bundle/PaymentBundle/Validator/Constraints/GatewayFactoryExists.php
index 2ad1f5ce5b..519cd7b9eb 100644
--- a/src/Sylius/Bundle/PaymentBundle/Validator/Constraints/GatewayFactoryExists.php
+++ b/src/Sylius/Bundle/PaymentBundle/Validator/Constraints/GatewayFactoryExists.php
@@ -25,7 +25,7 @@ final class GatewayFactoryExists extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $invalidGatewayFactoryMessage = null,
+        public string $invalidGatewayFactoryMessage = 'sylius.gateway_config.invalid_gateway_factory',
         ?string $invalidGatewayFactory = null,
         ?array $groups = null,
         mixed $payload = null,
@@ -38,7 +38,7 @@ final class GatewayFactoryExists extends Constraint
                 static::class,
             );
 
-            $invalidGatewayFactoryMessage ??= $options['invalidGatewayFactoryMessage'] ?? null;
+            $this->invalidGatewayFactoryMessage = $options['invalidGatewayFactoryMessage'] ?? $this->invalidGatewayFactoryMessage;
             $invalidGatewayFactory ??= $options['invalidGatewayFactory'] ?? null;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
@@ -52,17 +52,13 @@ final class GatewayFactoryExists extends Constraint
                 static::class,
             );
 
-            $invalidGatewayFactoryMessage ??= $invalidGatewayFactory;
+            $this->invalidGatewayFactoryMessage = $invalidGatewayFactory;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->invalidGatewayFactoryMessage = $invalidGatewayFactoryMessage ?? $this->invalidGatewayFactoryMessage;
         $this->invalidGatewayFactory = $this->invalidGatewayFactoryMessage;
     }
 
-    public string $invalidGatewayFactoryMessage = 'sylius.gateway_config.invalid_gateway_factory';
-
     /** @deprecated since Sylius 2.3, use $invalidGatewayFactoryMessage instead. It will be removed in Sylius 3.0. */
     public string $invalidGatewayFactory = 'sylius.gateway_config.invalid_gateway_factory';
 
diff --git a/src/Sylius/Bundle/ProductBundle/Validator/Constraint/ProductVariantCombination.php b/src/Sylius/Bundle/ProductBundle/Validator/Constraint/ProductVariantCombination.php
index 67553eb8ce..0315d85571 100644
--- a/src/Sylius/Bundle/ProductBundle/Validator/Constraint/ProductVariantCombination.php
+++ b/src/Sylius/Bundle/ProductBundle/Validator/Constraint/ProductVariantCombination.php
@@ -19,8 +19,6 @@ use Symfony\Component\Validator\Constraint;
 #[\Attribute]
 final class ProductVariantCombination extends Constraint
 {
-    public string $message = 'sylius.product_variant.combination';
-
     /**
      * @param array<string, mixed>|null $options
      * @param array<string>|null $groups
@@ -28,7 +26,7 @@ final class ProductVariantCombination extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.product_variant.combination',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -40,14 +38,12 @@ final class ProductVariantCombination extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
     public function validatedBy(): string
diff --git a/src/Sylius/Bundle/ProductBundle/Validator/Constraint/ProductVariantOptionValuesConfiguration.php b/src/Sylius/Bundle/ProductBundle/Validator/Constraint/ProductVariantOptionValuesConfiguration.php
index 53af512084..e6114736e8 100644
--- a/src/Sylius/Bundle/ProductBundle/Validator/Constraint/ProductVariantOptionValuesConfiguration.php
+++ b/src/Sylius/Bundle/ProductBundle/Validator/Constraint/ProductVariantOptionValuesConfiguration.php
@@ -19,15 +19,13 @@ use Symfony\Component\Validator\Constraint;
 #[\Attribute]
 final class ProductVariantOptionValuesConfiguration extends Constraint
 {
-    public string $message = 'sylius.product_variant.option_values.not_configured';
-
     /**
      * @param array<string, mixed>|null $options
      */
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.product_variant.option_values.not_configured',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -39,14 +37,12 @@ final class ProductVariantOptionValuesConfiguration extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
     public function validatedBy(): string
diff --git a/src/Sylius/Bundle/ProductBundle/Validator/Constraint/UniqueSimpleProductCode.php b/src/Sylius/Bundle/ProductBundle/Validator/Constraint/UniqueSimpleProductCode.php
index a4c65ffc5e..e8a3d8b0a9 100644
--- a/src/Sylius/Bundle/ProductBundle/Validator/Constraint/UniqueSimpleProductCode.php
+++ b/src/Sylius/Bundle/ProductBundle/Validator/Constraint/UniqueSimpleProductCode.php
@@ -19,8 +19,6 @@ use Symfony\Component\Validator\Constraint;
 #[\Attribute]
 final class UniqueSimpleProductCode extends Constraint
 {
-    public string $message = 'sylius.simple_product.code.unique';
-
     /**
      * @param array<string, mixed>|null $options
      * @param array<string>|null $groups
@@ -28,7 +26,7 @@ final class UniqueSimpleProductCode extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.simple_product.code.unique',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -40,14 +38,12 @@ final class UniqueSimpleProductCode extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
     public function validatedBy(): string
diff --git a/src/Sylius/Bundle/PromotionBundle/Validator/Constraints/CatalogPromotionActionType.php b/src/Sylius/Bundle/PromotionBundle/Validator/Constraints/CatalogPromotionActionType.php
index 9bf920a982..58bb17768d 100644
--- a/src/Sylius/Bundle/PromotionBundle/Validator/Constraints/CatalogPromotionActionType.php
+++ b/src/Sylius/Bundle/PromotionBundle/Validator/Constraints/CatalogPromotionActionType.php
@@ -25,7 +25,7 @@ final class CatalogPromotionActionType extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $invalidTypeMessage = null,
+        public string $invalidTypeMessage = 'sylius.catalog_promotion_action.type.invalid',
         ?string $invalidType = null,
         ?array $groups = null,
         mixed $payload = null,
@@ -38,7 +38,7 @@ final class CatalogPromotionActionType extends Constraint
                 static::class,
             );
 
-            $invalidTypeMessage ??= $options['invalidTypeMessage'] ?? null;
+            $this->invalidTypeMessage = $options['invalidTypeMessage'] ?? $this->invalidTypeMessage;
             $invalidType ??= $options['invalidType'] ?? null;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
@@ -52,17 +52,13 @@ final class CatalogPromotionActionType extends Constraint
                 static::class,
             );
 
-            $invalidTypeMessage ??= $invalidType;
+            $this->invalidTypeMessage = $invalidType;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->invalidTypeMessage = $invalidTypeMessage ?? $this->invalidTypeMessage;
         $this->invalidType = $this->invalidTypeMessage;
     }
 
-    public string $invalidTypeMessage = 'sylius.catalog_promotion_action.type.invalid';
-
     /** @deprecated since Sylius 2.3, use $invalidTypeMessage instead. It will be removed in Sylius 3.0. */
     public string $invalidType = 'sylius.catalog_promotion_action.type.invalid';
 
diff --git a/src/Sylius/Bundle/PromotionBundle/Validator/Constraints/CatalogPromotionScopeType.php b/src/Sylius/Bundle/PromotionBundle/Validator/Constraints/CatalogPromotionScopeType.php
index 35f08bbcc2..f022da8ca1 100644
--- a/src/Sylius/Bundle/PromotionBundle/Validator/Constraints/CatalogPromotionScopeType.php
+++ b/src/Sylius/Bundle/PromotionBundle/Validator/Constraints/CatalogPromotionScopeType.php
@@ -25,7 +25,7 @@ final class CatalogPromotionScopeType extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $invalidTypeMessage = null,
+        public string $invalidTypeMessage = 'sylius.catalog_promotion_scope.type.invalid',
         ?string $invalidType = null,
         ?array $groups = null,
         mixed $payload = null,
@@ -38,7 +38,7 @@ final class CatalogPromotionScopeType extends Constraint
                 static::class,
             );
 
-            $invalidTypeMessage ??= $options['invalidTypeMessage'] ?? null;
+            $this->invalidTypeMessage = $options['invalidTypeMessage'] ?? $this->invalidTypeMessage;
             $invalidType ??= $options['invalidType'] ?? null;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
@@ -52,17 +52,13 @@ final class CatalogPromotionScopeType extends Constraint
                 static::class,
             );
 
-            $invalidTypeMessage ??= $invalidType;
+            $this->invalidTypeMessage = $invalidType;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->invalidTypeMessage = $invalidTypeMessage ?? $this->invalidTypeMessage;
         $this->invalidType = $this->invalidTypeMessage;
     }
 
-    public string $invalidTypeMessage = 'sylius.catalog_promotion_scope.type.invalid';
-
     /** @deprecated since Sylius 2.3, use $invalidTypeMessage instead. It will be removed in Sylius 3.0. */
     public string $invalidType = 'sylius.catalog_promotion_scope.type.invalid';
 
diff --git a/src/Sylius/Bundle/PromotionBundle/Validator/Constraints/CouponPossibleGenerationAmount.php b/src/Sylius/Bundle/PromotionBundle/Validator/Constraints/CouponPossibleGenerationAmount.php
index 6630859f65..5ca86c3855 100644
--- a/src/Sylius/Bundle/PromotionBundle/Validator/Constraints/CouponPossibleGenerationAmount.php
+++ b/src/Sylius/Bundle/PromotionBundle/Validator/Constraints/CouponPossibleGenerationAmount.php
@@ -25,7 +25,7 @@ final class CouponPossibleGenerationAmount extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.promotion_coupon_generator_instruction.possible_generation_amount',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class CouponPossibleGenerationAmount extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.promotion_coupon_generator_instruction.possible_generation_amount';
-
     public function getTargets(): string
     {
         return self::CLASS_CONSTRAINT;
diff --git a/src/Sylius/Bundle/PromotionBundle/Validator/Constraints/PromotionActionType.php b/src/Sylius/Bundle/PromotionBundle/Validator/Constraints/PromotionActionType.php
index 245aef5910..9fa84e074b 100644
--- a/src/Sylius/Bundle/PromotionBundle/Validator/Constraints/PromotionActionType.php
+++ b/src/Sylius/Bundle/PromotionBundle/Validator/Constraints/PromotionActionType.php
@@ -25,7 +25,7 @@ final class PromotionActionType extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $invalidTypeMessage = null,
+        public string $invalidTypeMessage = 'sylius.promotion_action.invalid_type',
         ?string $invalidType = null,
         ?array $groups = null,
         mixed $payload = null,
@@ -38,7 +38,7 @@ final class PromotionActionType extends Constraint
                 static::class,
             );
 
-            $invalidTypeMessage ??= $options['invalidTypeMessage'] ?? null;
+            $this->invalidTypeMessage = $options['invalidTypeMessage'] ?? $this->invalidTypeMessage;
             $invalidType ??= $options['invalidType'] ?? null;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
@@ -52,17 +52,13 @@ final class PromotionActionType extends Constraint
                 static::class,
             );
 
-            $invalidTypeMessage ??= $invalidType;
+            $this->invalidTypeMessage = $invalidType;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->invalidTypeMessage = $invalidTypeMessage ?? $this->invalidTypeMessage;
         $this->invalidType = $this->invalidTypeMessage;
     }
 
-    public string $invalidTypeMessage = 'sylius.promotion_action.invalid_type';
-
     /** @deprecated since Sylius 2.3, use $invalidTypeMessage instead. It will be removed in Sylius 3.0. */
     public string $invalidType = 'sylius.promotion_action.invalid_type';
 
diff --git a/src/Sylius/Bundle/PromotionBundle/Validator/Constraints/PromotionDateRange.php b/src/Sylius/Bundle/PromotionBundle/Validator/Constraints/PromotionDateRange.php
index 911ff4f440..2910375209 100644
--- a/src/Sylius/Bundle/PromotionBundle/Validator/Constraints/PromotionDateRange.php
+++ b/src/Sylius/Bundle/PromotionBundle/Validator/Constraints/PromotionDateRange.php
@@ -25,7 +25,7 @@ final class PromotionDateRange extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.promotion.end_date_cannot_be_set_prior_start_date',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class PromotionDateRange extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.promotion.end_date_cannot_be_set_prior_start_date';
-
     public function getTargets(): string
     {
         return self::CLASS_CONSTRAINT;
diff --git a/src/Sylius/Bundle/PromotionBundle/Validator/Constraints/PromotionNotCouponBased.php b/src/Sylius/Bundle/PromotionBundle/Validator/Constraints/PromotionNotCouponBased.php
index 4f977f11fd..295a1355e3 100644
--- a/src/Sylius/Bundle/PromotionBundle/Validator/Constraints/PromotionNotCouponBased.php
+++ b/src/Sylius/Bundle/PromotionBundle/Validator/Constraints/PromotionNotCouponBased.php
@@ -25,7 +25,7 @@ final class PromotionNotCouponBased extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.promotion_coupon.promotion.not_coupon_based',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class PromotionNotCouponBased extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.promotion_coupon.promotion.not_coupon_based';
-
     public function getTargets(): string
     {
         return self::CLASS_CONSTRAINT;
diff --git a/src/Sylius/Bundle/PromotionBundle/Validator/Constraints/PromotionRuleType.php b/src/Sylius/Bundle/PromotionBundle/Validator/Constraints/PromotionRuleType.php
index 443b33d16c..88f2839620 100644
--- a/src/Sylius/Bundle/PromotionBundle/Validator/Constraints/PromotionRuleType.php
+++ b/src/Sylius/Bundle/PromotionBundle/Validator/Constraints/PromotionRuleType.php
@@ -25,7 +25,7 @@ final class PromotionRuleType extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $invalidTypeMessage = null,
+        public string $invalidTypeMessage = 'sylius.promotion_rule.invalid_type',
         ?string $invalidType = null,
         ?array $groups = null,
         mixed $payload = null,
@@ -38,7 +38,7 @@ final class PromotionRuleType extends Constraint
                 static::class,
             );
 
-            $invalidTypeMessage ??= $options['invalidTypeMessage'] ?? null;
+            $this->invalidTypeMessage = $options['invalidTypeMessage'] ?? $this->invalidTypeMessage;
             $invalidType ??= $options['invalidType'] ?? null;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
@@ -52,17 +52,13 @@ final class PromotionRuleType extends Constraint
                 static::class,
             );
 
-            $invalidTypeMessage ??= $invalidType;
+            $this->invalidTypeMessage = $invalidType;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->invalidTypeMessage = $invalidTypeMessage ?? $this->invalidTypeMessage;
         $this->invalidType = $this->invalidTypeMessage;
     }
 
-    public string $invalidTypeMessage = 'sylius.promotion_rule.invalid_type';
-
     /** @deprecated since Sylius 2.3, use $invalidTypeMessage instead. It will be removed in Sylius 3.0. */
     public string $invalidType = 'sylius.promotion_rule.invalid_type';
 
diff --git a/src/Sylius/Bundle/PromotionBundle/Validator/Constraints/PromotionSubjectCoupon.php b/src/Sylius/Bundle/PromotionBundle/Validator/Constraints/PromotionSubjectCoupon.php
index 07ccb9f610..526a189916 100644
--- a/src/Sylius/Bundle/PromotionBundle/Validator/Constraints/PromotionSubjectCoupon.php
+++ b/src/Sylius/Bundle/PromotionBundle/Validator/Constraints/PromotionSubjectCoupon.php
@@ -25,7 +25,7 @@ final class PromotionSubjectCoupon extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.promotion_coupon.is_invalid',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -37,18 +37,14 @@ final class PromotionSubjectCoupon extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.promotion_coupon.is_invalid';
-
     public function getTargets(): string
     {
         return self::CLASS_CONSTRAINT;
diff --git a/src/Sylius/Bundle/ShippingBundle/Validator/Constraint/ShippingMethodCalculatorExists.php b/src/Sylius/Bundle/ShippingBundle/Validator/Constraint/ShippingMethodCalculatorExists.php
index da63990423..9fded9d3f0 100644
--- a/src/Sylius/Bundle/ShippingBundle/Validator/Constraint/ShippingMethodCalculatorExists.php
+++ b/src/Sylius/Bundle/ShippingBundle/Validator/Constraint/ShippingMethodCalculatorExists.php
@@ -19,8 +19,6 @@ use Symfony\Component\Validator\Constraint;
 #[\Attribute]
 final class ShippingMethodCalculatorExists extends Constraint
 {
-    public string $invalidShippingCalculatorMessage = 'sylius.shipping_method.calculator.invalid';
-
     /** @deprecated since Sylius 2.3, use $invalidShippingCalculatorMessage instead. It will be removed in Sylius 3.0. */
     public string $invalidShippingCalculator = 'sylius.shipping_method.calculator.invalid';
 
@@ -31,7 +29,7 @@ final class ShippingMethodCalculatorExists extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $invalidShippingCalculatorMessage = null,
+        public string $invalidShippingCalculatorMessage = 'sylius.shipping_method.calculator.invalid',
         ?string $invalidShippingCalculator = null,
         ?array $groups = null,
         mixed $payload = null,
@@ -44,7 +42,7 @@ final class ShippingMethodCalculatorExists extends Constraint
                 static::class,
             );
 
-            $invalidShippingCalculatorMessage ??= $options['invalidShippingCalculatorMessage'] ?? null;
+            $this->invalidShippingCalculatorMessage = $options['invalidShippingCalculatorMessage'] ?? $this->invalidShippingCalculatorMessage;
             $invalidShippingCalculator ??= $options['invalidShippingCalculator'] ?? null;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
@@ -58,12 +56,10 @@ final class ShippingMethodCalculatorExists extends Constraint
                 static::class,
             );
 
-            $invalidShippingCalculatorMessage ??= $invalidShippingCalculator;
+            $this->invalidShippingCalculatorMessage = $invalidShippingCalculator;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->invalidShippingCalculatorMessage = $invalidShippingCalculatorMessage ?? $this->invalidShippingCalculatorMessage;
         $this->invalidShippingCalculator = $this->invalidShippingCalculatorMessage;
     }
 
diff --git a/src/Sylius/Bundle/ShippingBundle/Validator/Constraint/ShippingMethodRule.php b/src/Sylius/Bundle/ShippingBundle/Validator/Constraint/ShippingMethodRule.php
index 4f9244b16b..e10dfa3eef 100644
--- a/src/Sylius/Bundle/ShippingBundle/Validator/Constraint/ShippingMethodRule.php
+++ b/src/Sylius/Bundle/ShippingBundle/Validator/Constraint/ShippingMethodRule.php
@@ -19,8 +19,6 @@ use Symfony\Component\Validator\Constraint;
 #[\Attribute]
 final class ShippingMethodRule extends Constraint
 {
-    public string $invalidTypeMessage = 'sylius.shipping_method.rule.invalid_type';
-
     /** @deprecated since Sylius 2.3, use $invalidTypeMessage instead. It will be removed in Sylius 3.0. */
     public string $invalidType = 'sylius.shipping_method.rule.invalid_type';
 
@@ -31,7 +29,7 @@ final class ShippingMethodRule extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $invalidTypeMessage = null,
+        public string $invalidTypeMessage = 'sylius.shipping_method.rule.invalid_type',
         ?string $invalidType = null,
         ?array $groups = null,
         mixed $payload = null,
@@ -44,7 +42,7 @@ final class ShippingMethodRule extends Constraint
                 static::class,
             );
 
-            $invalidTypeMessage ??= $options['invalidTypeMessage'] ?? null;
+            $this->invalidTypeMessage = $options['invalidTypeMessage'] ?? $this->invalidTypeMessage;
             $invalidType ??= $options['invalidType'] ?? null;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
@@ -58,12 +56,10 @@ final class ShippingMethodRule extends Constraint
                 static::class,
             );
 
-            $invalidTypeMessage ??= $invalidType;
+            $this->invalidTypeMessage = $invalidType;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->invalidTypeMessage = $invalidTypeMessage ?? $this->invalidTypeMessage;
         $this->invalidType = $this->invalidTypeMessage;
     }
 
diff --git a/src/Sylius/Bundle/ShippingBundle/Validator/Constraint/ValidDeliveryTimeRange.php b/src/Sylius/Bundle/ShippingBundle/Validator/Constraint/ValidDeliveryTimeRange.php
index 8c6b9b8c8f..e809d8e43a 100644
--- a/src/Sylius/Bundle/ShippingBundle/Validator/Constraint/ValidDeliveryTimeRange.php
+++ b/src/Sylius/Bundle/ShippingBundle/Validator/Constraint/ValidDeliveryTimeRange.php
@@ -19,15 +19,13 @@ use Symfony\Component\Validator\Constraint;
 #[\Attribute]
 final class ValidDeliveryTimeRange extends Constraint
 {
-    public string $message = 'sylius.form.shipping_method.max_delivery_time_days.greater_or_equal_min';
-
     /**
      * @param array<string, mixed>|null $options
      */
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.form.shipping_method.max_delivery_time_days.greater_or_equal_min',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -39,14 +37,12 @@ final class ValidDeliveryTimeRange extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
     public function validatedBy(): string
diff --git a/src/Sylius/Bundle/TaxonomyBundle/Validator/Constraints/TaxonParentRelation.php b/src/Sylius/Bundle/TaxonomyBundle/Validator/Constraints/TaxonParentRelation.php
index 8ca398c916..b20d51ca10 100644
--- a/src/Sylius/Bundle/TaxonomyBundle/Validator/Constraints/TaxonParentRelation.php
+++ b/src/Sylius/Bundle/TaxonomyBundle/Validator/Constraints/TaxonParentRelation.php
@@ -24,7 +24,7 @@ final class TaxonParentRelation extends Constraint
     #[HasNamedArguments]
     public function __construct(
         ?array $options = null,
-        ?string $message = null,
+        public string $message = 'sylius.taxon.parent.invalid_relation',
         ?array $groups = null,
         mixed $payload = null,
     ) {
@@ -36,18 +36,14 @@ final class TaxonParentRelation extends Constraint
                 static::class,
             );
 
-            $message ??= $options['message'] ?? null;
+            $this->message = $options['message'] ?? $this->message;
             $groups ??= $options['groups'] ?? null;
             $payload ??= $options['payload'] ?? null;
         }
 
         parent::__construct(groups: $groups, payload: $payload);
-
-        $this->message = $message ?? $this->message;
     }
 
-    public string $message = 'sylius.taxon.parent.invalid_relation';
-
     public function validatedBy(): string
     {
         return 'sylius_taxon_parent_relation_validator';