It means something's f*ck*d up somewhere I expect... What page were you expecting? I may even be able to fix it ;)
On the Recent Changes page, at the top there is a link called XML. I simply clicked it. – Ba H
I see. I think it's to do with the RSS export (the XML standard for exchanging news item type things as far as I know), but I haven't figured out how to make that work yet.
This now works! Exciting hey? – Rob Crowther