Fatal error: Uncaught Error: Class "OCP\BackgroundJob\TimedJob" not found in /home/tzuovhm/tzuovhm/core_/BackgroundJobs/GenerateMetadataJob.php:23 Stack trace: #0 {main} thrown in /home/tzuovhm/tzuovhm/core_/BackgroundJobs/GenerateMetadataJob.php on line 23