Fatal error: Uncaught Error: Interface "Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface" not found in /var/www/html/demo.ininli.ca/releases/18/vendor/symfony/security-core/Security.php:24 Stack trace: #0 {main} thrown in /var/www/html/demo.ininli.ca/releases/18/vendor/symfony/security-core/Security.php on line 24