404. That’s an error.
The requested URL /add?feedurl=https://www.gopetition.com/rss/signatures/stop-the-culling-of-cape-towns-baboons/ was not found on this server. That’s all we know.
/add?feedurl=https://www.gopetition.com/rss/signatures/stop-the-culling-of-cape-towns-baboons/