Fatal error: Uncaught Error: Interface "OCP\Dashboard\IAPIWidget" not found in /home/tzuovhm/tzuovhm/apps_/spreed/lib/Dashboard/TalkWidget.php:42 Stack trace: #0 {main} thrown in /home/tzuovhm/tzuovhm/apps_/spreed/lib/Dashboard/TalkWidget.php on line 42