404. That’s an error.

The requested URL /users/oauth/?server=facebook&nv_redirect=IZKoM4pWGY4Gp54EllYhXDi7RUk7kW7zfW2LFhVV0-YFd2bkpslnBj_G7lSAe-Nq7ijmmp2IGLVWfvHOYl7ppA%2C%2C was not found on this server. That’s all we know.