Hi, i have the same error. I tried to release upgrade with: sudo do-release- upgrade -d
Last messages from my dist-upgrade/main.log file: 2020-06-20 10:48:45,030 DEBUG Marking 'ubuntu-desktop' for upgrade 2020-06-20 10:48:45,186 WARNING Can't mark 'ubuntu-desktop' for upgrade (E:Fehler: Unterbrechungen durch pkgProblemResolver::Resolve hervorgerufen; dies könnte durch zurückgehaltene Pakete verursacht worden sein.) 2020-06-20 10:48:45,903 ERROR Dist-upgrade failed: 'Broken packages after upgrade: colord'2020-06-20 10:48:45,909 DEBUG abort called -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1875141 Title: Dist-upgrade failed: Can't mark 'ubuntu-desktop' for upgrade (colord) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1875141/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs