404. That’s an error.
The requested URL /coop/trust/add?user=009837982694556606364&sig=__NDk9mTQrvJrz-U30KDmoTng21XA%3D was not found on this server. That’s all we know.
/coop/trust/add?user=009837982694556606364&sig=__NDk9mTQrvJrz-U30KDmoTng21XA%3D