Fatal error: Uncaught Error: Class "ilAuthProvider" not found in /var/www/html/ilias/components/ILIAS/WebServices/ECS/classes/class.ilAuthProviderECS.php:28 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/WebServices/ECS/classes/class.ilAuthProviderECS.php on line 28