Fatal error: Uncaught Error: Interface "OCP\Files\Notify\INotifyHandler" not found in /var/www/html/nextcloud/apps/files_external/lib/Lib/Notify/SMBNotifyHandler.php:13 Stack trace: #0 {main} thrown in /var/www/html/nextcloud/apps/files_external/lib/Lib/Notify/SMBNotifyHandler.php on line 13