404. That’s an error.

The requested URL /users/oauth/?server=facebook&nv_redirect=6ab35FGj5oshLB7e1h5yNg81W2IMuWzgCnSjJmoHx-lmtB1uwVGtXYshssTmg0ic4SMvP-h9vbMTmuX-mBkIRw%2C%2C was not found on this server. That’s all we know.