Fatal error: Uncaught Error: Class "Symfony\Component\Validator\Exception\ValidatorException" not found in /var/www/html/immobilier-des-particuliers.fr/vendor/symfony/validator/Exception/GroupDefinitionException.php:14 Stack trace: #0 {main} thrown in /var/www/html/immobilier-des-particuliers.fr/vendor/symfony/validator/Exception/GroupDefinitionException.php on line 14