Fatal error: Uncaught Error: Interface 'Symfony\Component\Config\Resource\SelfCheckingResourceInterface' not found in /home/benjamincb/demos/acdg-site/vendor/symfony/config/Resource/FileExistenceResource.php:24 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg-site/vendor/symfony/config/Resource/FileExistenceResource.php on line 24