Fatal error: Uncaught Error: Class "humhub\libs\Html" not found in /users/quirl/www/filemanager/spark/protected/humhub/modules/content/widgets/views/wallEntryControls.php:16 Stack trace: #0 {main} thrown in /users/quirl/www/filemanager/spark/protected/humhub/modules/content/widgets/views/wallEntryControls.php on line 16