I have successfully made channels out of Yahoo Groups in the past, however, now when I try to add groups I get this error, no matter which group, I try to add. Even if I'm logged in - with the group open in a browser.
XML parse failed (4:L7/C201): not well-formed (invalid token)
http://groups.yahoo.com/group/Location- ... ages?rss=1
http://groups.yahoo.com/group/carfree_c ... ages?rss=1