Fatal error: Uncaught Error: Class "humhub\modules\notification\components\BaseNotification" not found in /users/quirl/www/filemanager/old spark/old -protected/runtime/module_backups/calendar_1736926948/notifications/CanceledEvent.php:23 Stack trace: #0 {main} thrown in /users/quirl/www/filemanager/old spark/old -protected/runtime/module_backups/calendar_1736926948/notifications/CanceledEvent.php on line 23