Fatal error: Uncaught Error: Interface "Symfony\Component\Form\RequestHandlerInterface" not found in /home/pataplou/www/patrick/pataplouf/vendor/symfony/form/Extension/HttpFoundation/HttpFoundationRequestHandler.php:29 Stack trace: #0 {main} thrown in /home/pataplou/www/patrick/pataplouf/vendor/symfony/form/Extension/HttpFoundation/HttpFoundationRequestHandler.php on line 29