404. That’s an error.

The requested URL /index.php/users/oauth/?server=facebook&nv_redirect=WQVCNFxrTZXxLk9xw8VhF8lDZVTx0-CPLtb0DuewR2wj8MZYNGnqUk1ezrmfa__FR3i1Ms3mJVnakOYThKIsRqnJyT6JrzGTbN9ydVcl69g%2C was not found on this server. That’s all we know.