Fatal error: Uncaught Error: Class "OCP\AppFramework\Db\Entity" not found in /home/tzuovhm/tzuovhm/apps/files_versions/lib/Db/VersionEntity.php:29 Stack trace: #0 {main} thrown in /home/tzuovhm/tzuovhm/apps/files_versions/lib/Db/VersionEntity.php on line 29