Fatal error: Uncaught Error: Class "Symfony\Component\Validator\ConstraintValidator" not found in /home/marcgron/www/SSA/v2/vendor/symfony/twig-bridge/Validator/Constraints/TwigValidator.php:26 Stack trace: #0 {main} thrown in /home/marcgron/www/SSA/v2/vendor/symfony/twig-bridge/Validator/Constraints/TwigValidator.php on line 26