404. That’s an error.
The requested URL /add?feedurl=http://vsevesti.com/rss/ru/news/location/Ukraine-Poltava/category/science-ecology/date/10-02-2020/rss.xml was not found on this server. That’s all we know.
/add?feedurl=http://vsevesti.com/rss/ru/news/location/Ukraine-Poltava/category/science-ecology/date/10-02-2020/rss.xml