404. That’s an error.

The requested URL /users/oauth/?server=facebook&nv_redirect=szYvtSJd_f6lr08xaws7-dMdkBjOY4XhBctMyyyb3gNpuifu2dLgaQu_ZIO1Oxrux2UkydDsaf5gRCJDTE8E9Q%2C%2C was not found on this server. That’s all we know.