Fatal error: Uncaught Error: Class "humhub\widgets\JsWidget" not found in /users/quirl/www/filemanager/spark/protected/humhub/modules/content/widgets/richtext/AbstractRichText.php:51 Stack trace: #0 {main} thrown in /users/quirl/www/filemanager/spark/protected/humhub/modules/content/widgets/richtext/AbstractRichText.php on line 51