Fatal error: Uncaught Error: Interface "OCP\AppFramework\Services\IAppConfig" not found in /home/tzuovhm/tzuovhm/nextcloud/lib/private/AppFramework/Services/AppConfig.php:18 Stack trace: #0 {main} thrown in /home/tzuovhm/tzuovhm/nextcloud/lib/private/AppFramework/Services/AppConfig.php on line 18