Public bug reported: whenever I am trying to upgrade system, notification pop-up with "could not calculate the upgrade an unresolvable problem occurred while calculating the upgrade".
ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: ubuntu-release-upgrader-core 1:18.04.37 ProcVersionSignature: Ubuntu 4.15.0-101.102-generic 4.15.18 Uname: Linux 4.15.0-101-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.15 Architecture: amd64 CrashDB: ubuntu CurrentDesktop: ubuntu:GNOME Date: Sun Jun 7 09:32:13 2020 DistributionChannelDescriptor: # This is a distribution channel descriptor # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor canonical-oem-somerville-xenial-amd64-20160624-2 InstallationDate: Installed on 2018-11-14 (570 days ago) InstallationMedia: Ubuntu 16.04 "Xenial" - Build amd64 LIVE Binary 20160624-10:47 PackageArchitecture: all SourcePackage: ubuntu-release-upgrader UpgradeStatus: Upgraded to bionic on 2020-06-07 (0 days ago) VarLogDistupgradeTermlog: mtime.conffile..etc.update-manager.release-upgrades: 2020-06-06T08:40:05.595006 ** Affects: ubuntu-release-upgrader (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug bionic dist-upgrade -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1882412 Title: unable to upgrade ubuntu18.04.4 to ubuntu20.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1882412/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs