Fatal error: Uncaught Error: Class "humhub\components\Controller" not found in /users/quirl/www/filemanager/spark/protected/humhub/modules/user/controllers/MentioningController.php:35 Stack trace: #0 {main} thrown in /users/quirl/www/filemanager/spark/protected/humhub/modules/user/controllers/MentioningController.php on line 35