404. That’s an error.

The requested URL /add?source=atgs&feedurl=http%3A%2F%2Fwww%2Ekyubo%2Ecom%2Frss%5Fl%2Easp%3Fare%3Dkanto%26tod%3D%26shi%3D%26ros%3D%26eki%3D%26syo%3D%26jyo%3D%26mer%3D21%26ren%3Dren was not found on this server. That’s all we know.