404. That’s an error.
The requested URL /add?source=atgs&feedurl=http%3A//www.onvousloge.com/rss-annonces-immobilieres.rss was not found on this server. That’s all we know.
/add?source=atgs&feedurl=http%3A//www.onvousloge.com/rss-annonces-immobilieres.rss