Fatal error: Uncaught Error: Interface "OCP\Federation\ICloudFederationProviderManager" not found in /home/tzuovhm/tzuovhm/lib_/private/Federation/CloudFederationProviderManager.php:33 Stack trace: #0 {main} thrown in /home/tzuovhm/tzuovhm/lib_/private/Federation/CloudFederationProviderManager.php on line 33