Fatal error: Uncaught Error: Interface "OCP\Dashboard\IAPIWidget" not found in /home/tzuovhm/tzuovhm/nextcloud/apps/activity/lib/Dashboard/ActivityWidget.php:27 Stack trace: #0 {main} thrown in /home/tzuovhm/tzuovhm/nextcloud/apps/activity/lib/Dashboard/ActivityWidget.php on line 27