Fatal error: Uncaught Error: Class "ilAuthFrontend" not found in /var/www/html/ilias/components/ILIAS/Authentication/classes/Frontend/class.ilAuthStandardFormFrontend.php:27 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/Authentication/classes/Frontend/class.ilAuthStandardFormFrontend.php on line 27