Fatal error: Uncaught Error: Interface "Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface" not found in /home/Xereah/public_html/pstruzik/vendor/symfony/security-bundle/Security.php:53 Stack trace: #0 {main} thrown in /home/Xereah/public_html/pstruzik/vendor/symfony/security-bundle/Security.php on line 53