This happened with me when I was trying to force upgrade Xubuntu 13.10 to Trusty few days ago and I think this will affect all the other flavours as well.
Thanks for reporting, Erick Brunzell (lbsolost) :) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1261588 Title: Lack of "extras" repo causes Saucy -> Trusty upgrade to fail To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1261588/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
