Fatal error: Uncaught Error: Class "OCA\Talk\Activity\Provider\Base" not found in /home/tzuovhm/tzuovhm/apps_/spreed/lib/Activity/Provider/Invitation.php:15 Stack trace: #0 {main} thrown in /home/tzuovhm/tzuovhm/apps_/spreed/lib/Activity/Provider/Invitation.php on line 15