Thank you for your fast answer. The new version of the release upgrader solved my issue. The only point which I considered after upgrade was that mysql-server-5.7 was removed but mysql-server-8.0 was not installed. I fixed this manually by installing the mysql-server-8.0 from the command line.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929013 Title: upgrade of server from Ubuntu 18.04 LTS to Ubuntu 20.04 LTS fail To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1929013/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
