Thank you for reporting this bug to Ubuntu. Ubuntu 16.04 (xenial) reached end-of-standard-support on April 29, 2021.
See this document for currently supported Ubuntu releases: https://wiki.ubuntu.com/Releases We appreciate that this bug may be old and you might not be interested in discussing it any more. But if you are then please install a fully supported release of Ubuntu and re-test. If you then find the bug is still present in the newer Ubuntu version, please add a comment here telling us which new version it is in. Ubuntu 16.04 is in Extended Support; so if you're using ESM you can use your ESM support options. ** Changed in: ubuntu-release-upgrader (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1973843 Title: upgrade from 16.04 to 18.04 failed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1973843/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
