404. That’s an error.
The requested URL /add?feedurl=http://burgundy4u.nl/rss/nl/ouche-valley-auxois-properties/location//type//rss.xml was not found on this server. That’s all we know.
/add?feedurl=http://burgundy4u.nl/rss/nl/ouche-valley-auxois-properties/location//type//rss.xml