Fatal error: Uncaught Error: Interface "OCA\Circles\IBroadcaster" not found in /var/www/html/nextcloud/apps/circles/lib/Circles/FileSharingBroadcaster.php:47 Stack trace: #0 {main} thrown in /var/www/html/nextcloud/apps/circles/lib/Circles/FileSharingBroadcaster.php on line 47