404. That’s an error.

The requested URL /users/oauth/?server=facebook&nv_redirect=5GvKKIgz3-UQzEk9qbQtPwl7y8h4IY4lcsR-eujPuTgii8UAdvrrQTNxnHheAduUq7ATgcTTL8ACy-Nc8AZAcg%2C%2C was not found on this server. That’s all we know.