[Bug 1923650] Re: unable to upgrade ubuntu from version 18.04 to 20.04

[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/1923650

Title:
  unable to upgrade ubuntu from version 18.04 to 20.04

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

Bug description:
  Today my ubuntu offered the possibility to upgrade to version 20.04
  from 18.04, but when it tries to download the new software channels,
  it shows an error message "Unable to calculate update"

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.42
  ProcVersionSignature: Ubuntu 4.15.0-141.145-generic 4.15.18
  Uname: Linux 4.15.0-141-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.23
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Apr 13 23:23:33 2021
  InstallationDate: Installed on 2021-04-13 (0 days ago)
  InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2021-04-13 (0 days ago)
  VarLogDistupgradeTermlog:

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