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