Fatal error: Uncaught Error: Class "humhub\modules\notification\components\NotificationCategory" not found in /users/quirl/www/filemanager/spark/protected/runtime/module_backups/mail_1742621225/notifications/ConversationNotificationCategory.php:23 Stack trace: #0 {main} thrown in /users/quirl/www/filemanager/spark/protected/runtime/module_backups/mail_1742621225/notifications/ConversationNotificationCategory.php on line 23