Fatal error: Uncaught Error: Class "Symfony\Component\Validator\Constraint" not found in /home/projetwewv/www/licence00/monapp/vendor/symfony/validator/Constraints/Composite.php:29 Stack trace: #0 {main} thrown in /home/projetwewv/www/licence00/monapp/vendor/symfony/validator/Constraints/Composite.php on line 29