This status code is set by Registry and locks your domain preventing it from being updated. It is usually set at your request (Registry Lock).
This status may indicate an issue with your domain that needs resolution. If so, you should contact your registrar for more information or to resolve the issue. If your domain does not have any issues, and you simply want to update it, you must first contact your registrar and request that they work with the Registry to remove this status code.
More about Registry Lock on this page.