404. That’s an error.
The requested URL /add?feedurl=http%3A%2F%2Fcdn%2Eterninrete%2Eit%2Fheadlines%2Farticoli%5Flista%5Fpublic%5Fxml%2Easp?action%3DCerca%26HL%5FCATEGORIA%5FID%3D46%26IX%5FHL%5FSTATS%3D1%26RSS%5FDISP%3D7
was not found on this server. That’s all we know.