Hm, strange, but after I shut down my computer and started it new and then started the software updater, it proceeded happily and without further complaint with "updating" (not "upgrading"). It's running now, I hope the system will be fine in the end.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1897725 Title: I got "An unresolvable problem occurred while calculating the upgrade." while trying to upgrade to focal fossa. No further information about the problem was given, just the command for reporting the problem. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1897725/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs