Fatal error: Uncaught Error: Interface "Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface" not found in /var/www/apache/dev/cal/web/vendor/symfony/security/Core/Authorization/AuthorizationChecker.php:26 Stack trace: #0 {main} thrown in /var/www/apache/dev/cal/web/vendor/symfony/security/Core/Authorization/AuthorizationChecker.php on line 26