Fatal error: Uncaught Error: Class "humhub\modules\notification\components\NotificationCategory" not found in /users/quirl/www/filemanager/spark/protected/humhub/modules/admin/notifications/AdminNotificationCategory.php:13 Stack trace: #0 {main} thrown in /users/quirl/www/filemanager/spark/protected/humhub/modules/admin/notifications/AdminNotificationCategory.php on line 13