I added the PPA packages back in, reinstalled the related software, and removed them with ppa-purge. Followed that with apt update, autoremove and a necessary reboot. After all that, I got the same "unresolvable problem" error when I tried to do-release-upgrade.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1246441 Title: do-release-upgrade fails with "Could not calculate the upgrade" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1246441/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
