Fatal error: Uncaught Error: Class "humhub\widgets\ModalDialog" not found in /users/quirl/www/filemanager/spark/protected/runtime/module_backups/calendar_1736926955/views/entry/modal.php:16 Stack trace: #0 {main} thrown in /users/quirl/www/filemanager/spark/protected/runtime/module_backups/calendar_1736926955/views/entry/modal.php on line 16