[Bug 1916934] Re: Attempted to upgrade from 18.04 to 20.04 - unresolvable error

[Brian Murray]

*** This bug is a duplicate of bug 1886748 ***
    https://bugs.launchpad.net/bugs/1886748

** This bug has been marked a duplicate of bug 1886748
   upgrade from 18.04 to 20.04 fails to calculate if libomp5 is installed

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https://bugs.launchpad.net/bugs/1916934

Title:
  Attempted to upgrade from 18.04 to 20.04 - unresolvable error

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

Bug description:
  I was attempting to upgrade from version 18.04 to 20.04 and was met
  with this error message.

  
  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'.

  
  System Details
  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 5.4.0-66.74~18.04.2-generic 5.4.86
  Uname: Linux 5.4.0-66-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.23
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Thu Feb 25 18:04:17 2021
  InstallationDate: Installed on 2020-05-28 (273 days ago)
  InstallationMedia: Ubuntu 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2021-02-25 (0 days ago)
  VarLogDistupgradeTermlog:

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