Fatal error: Uncaught Error: Class "ilUserActionProvider" not found in /var/www/html/ilias/components/ILIAS/Group/UserActions/classes/class.ilGroupUserActionProvider.php:21 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/Group/UserActions/classes/class.ilGroupUserActionProvider.php on line 21