[Bug 1915019] Re: it is not able to upgrade from 18.04 LTS to 20.04 LTS

[Launchpad Bug Tracker]

[Expired for ubuntu-release-upgrader (Ubuntu) because there has been no
activity for 60 days.]

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1915019

Title:
  it is not able to upgrade from 18.04 LTS to 20.04 LTS

Status in ubuntu-release-upgrader package in Ubuntu:
  Expired

Bug description:
  This is the message I have when I am trying to upgrade from 18.04LTS
  to 20.04LTS:

  "Could not determine the upgrade

  An unresolvable problem occurred while calculating the upgrade.

   If none of this applies, then please report this bug using the
  command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal. If
  you want to investigate this yourself the log files in '/var/log/dist-
  upgrade' will contain details about the upgrade. Specifically, look at
  'main.log' and 'apt.log'."

   The release of Ubuntu is:
  Description:    Ubuntu 18.04.5 LTS
  Release:        18.04

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.42
  ProcVersionSignature: Ubuntu 5.4.0-65.73~18.04.1-generic 5.4.78
  Uname: Linux 5.4.0-65-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.23
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: KDE
  Date: Mon Feb  8 13:25:52 2021
  InstallationDate: Installed on 2019-07-21 (567 days ago)
  InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2021-02-08 (0 days ago)
  VarLogDistupgradeTermlog:

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