Fatal error: Uncaught Error: Class "Symfony\Component\Security\Core\Role\Role" not found in /var/www/apache/dev/cal/web/vendor/symfony/security/Core/Role/SwitchUserRole.php:22 Stack trace: #0 {main} thrown in /var/www/apache/dev/cal/web/vendor/symfony/security/Core/Role/SwitchUserRole.php on line 22