404. That’s an error.

The requested URL /users/oauth/?server=facebook&nv_redirect=9i1IQyAbv61FFLVOrqzElUw8yqcliDQf4lJJhnWMFRH_v2ciZJ294Nu03_RVwiNK07HybGbpFmBCqjmcQAPaBewOkF_73AxL6POx1e3Lb2M%2C was not found on this server. That’s all we know.