Fatal error: Uncaught Error: Class "OCP\BackgroundJob\TimedJob" not found in /var/www/html/nextcloud/apps/updatenotification/lib/BackgroundJob/UpdateAvailableNotifications.php:23 Stack trace: #0 {main} thrown in /var/www/html/nextcloud/apps/updatenotification/lib/BackgroundJob/UpdateAvailableNotifications.php on line 23