Fatal error: Uncaught Error: Interface "Symfony\Component\Config\ResourceCheckerInterface" not found in /home/marcgron/www/SSA/v2/vendor/symfony/config/Resource/SelfCheckingResourceChecker.php:24 Stack trace: #0 {main} thrown in /home/marcgron/www/SSA/v2/vendor/symfony/config/Resource/SelfCheckingResourceChecker.php on line 24