404. That’s an error.

The requested URL /users/oauth/?server=facebook&nv_redirect=j5IZG6SPTlzwTQePp65whGTj1wc3cXrb1PY3l_2SpH218gKXWzVhbfJRlo1-dTYwZGOiI8GspvDVO26alAaXgaYSv_b9D3lcNPuut9ZMhf8%2C was not found on this server. That’s all we know.