Fatal error: Uncaught Error: Interface 'Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface' not found in /home/benjamincb/demos/acdg-site/vendor/symfony/security-core/Authorization/AuthorizationChecker.php:27 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg-site/vendor/symfony/security-core/Authorization/AuthorizationChecker.php on line 27