Fatal error: Uncaught Error: Class "humhub\modules\file\widgets\UploadInput" not found in /users/quirl/www/filemanager/spark/protected/humhub/modules/file/widgets/UploadButton.php:14 Stack trace: #0 {main} thrown in /users/quirl/www/filemanager/spark/protected/humhub/modules/file/widgets/UploadButton.php on line 14