I seem to not be able to upload my high score. After I updated to the latest version, I created a gamer account, played a game then tried to upload my high score, but it isn't showing up on the global list, I ran it from the command-line and got this error after I tried to upload the score again.

If it is relevant I have apt set up to give priority to testing over devel and priority to extras over testing and devel. This shouldn't cause a problem if you have the versions on your dependencies set correctly, but if you don't it may lead to me having older versions installed.