Fatal error: Uncaught Error: Interface "Symfony\Component\Security\Core\Role\RoleInterface" not found in /var/www/apache/dev/cal/web/vendor/symfony/security/Core/Role/Role.php:20 Stack trace: #0 {main} thrown in /var/www/apache/dev/cal/web/vendor/symfony/security/Core/Role/Role.php on line 20