Previous Posts and 404

Using Gamerz PageNavi plug-in: http://www.mythusmageopines.com/wp/wp/page/2/ (404, not found)

Previous Entries Link: http://www.mythusmageopines.com/wp/wp/page/2/ (404, not found)

Via the Archive: http://www.mythusmageopines.com/wp/archives/date/2006/04/page/2/ (posts load)

That don’t sound right to me.