Fatal error: Uncaught Error: Class "OC\Core\Command\Base" not found in /home/tzuovhm/tzuovhm/apps/files_external/lib/Command/StorageAuthBase.php:22 Stack trace: #0 {main} thrown in /home/tzuovhm/tzuovhm/apps/files_external/lib/Command/StorageAuthBase.php on line 22