404. That’s an error.
The requested URL /add?feedurl=http://www.sektorler.web.tr/elektronik/elektrik_elektronik/unv_son_sinif_ogrencisiyim/ilan.rss was not found on this server. That’s all we know.
/add?feedurl=http://www.sektorler.web.tr/elektronik/elektrik_elektronik/unv_son_sinif_ogrencisiyim/ilan.rss