Fatal error: Uncaught Error: Class 'Symfony\Component\Validator\ConstraintValidator' not found in /home/aucoeurdgw/dev/src/PrestaShopBundle/Form/Validator/Constraints/TinyMceMaxLengthValidator.php:33 Stack trace: #0 {main} thrown in /home/aucoeurdgw/dev/src/PrestaShopBundle/Form/Validator/Constraints/TinyMceMaxLengthValidator.php on line 33