Fatal error: Uncaught Error: Interface 'Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface' not found in /home/itscm/dev.its.cm/itsgateway/vendor/symfony/security-core/Authorization/AuthorizationChecker.php:26 Stack trace: #0 {main} thrown in /home/itscm/dev.its.cm/itsgateway/vendor/symfony/security-core/Authorization/AuthorizationChecker.php on line 26