Fatal error: Uncaught Error: Interface "Symfony\Component\Validator\ConstraintViolationInterface" not found in /var/www/html/immobilier-des-particuliers.fr/vendor/symfony/validator/ConstraintViolation.php:19 Stack trace: #0 {main} thrown in /var/www/html/immobilier-des-particuliers.fr/vendor/symfony/validator/ConstraintViolation.php on line 19