Fatal error: Uncaught Error: Interface "Symfony\Component\Config\FileLocatorInterface" not found in /home/leathr/event.lea.therasse.mmi-velizy.fr/mmievent3/vendor/symfony/config/FileLocator.php:21 Stack trace: #0 {main} thrown in /home/leathr/event.lea.therasse.mmi-velizy.fr/mmievent3/vendor/symfony/config/FileLocator.php on line 21