Fatal error: Uncaught Error: Interface "OCP\Dashboard\IAPIWidgetV2" not found in /home/tzuovhm/tzuovhm/apps/circles/lib/Dashboard/TeamDashboardWidget.php:29 Stack trace: #0 {main} thrown in /home/tzuovhm/tzuovhm/apps/circles/lib/Dashboard/TeamDashboardWidget.php on line 29