Fatal error: Uncaught Error: Class "humhub\modules\notification\components\NotificationCategory" not found in /users/quirl/www/filemanager/old spark/old -protected/runtime/module_backups/calendar_1736926948/notifications/CalendarNotificationCategory.php:20 Stack trace: #0 {main} thrown in /users/quirl/www/filemanager/old spark/old -protected/runtime/module_backups/calendar_1736926948/notifications/CalendarNotificationCategory.php on line 20