404. That’s an error.

The requested URL /users/oauth/?server=facebook&nv_redirect=P-Uf5qetxsuopHJ1ad_D6IQOrd7kWfttq7nHJVWZZ3jCr6MnJ-zMiOYmKhfV6Xl5LCL4bYkuBp72-MOTzLB8bQ%2C%2C was not found on this server. That’s all we know.