404. That’s an error.
The requested URL /add?feedurl=http://vsevesti.com/rss/ru/news/location/Ukraine-Vinnitsa/category/ads-electronics/date/20-05-2019/rss.xml was not found on this server. That’s all we know.
/add?feedurl=http://vsevesti.com/rss/ru/news/location/Ukraine-Vinnitsa/category/ads-electronics/date/20-05-2019/rss.xml