Fatal error: Uncaught Error: Class "OCP\AppFramework\Controller" not found in /home/tzuovhm/tzuovhm/nextcloud/core/Controller/WellKnownController.php:23 Stack trace: #0 {main} thrown in /home/tzuovhm/tzuovhm/nextcloud/core/Controller/WellKnownController.php on line 23