[Bug 1921694] [NEW] System Upgrade from Bionic to Focal not possible

[Andreas Fingas]

Public bug reported:

When trying to upgrade the release from bionic beaver to Focal I always
get the error message that a critical error has occurred. Removing all
Launchpad PPAs did not help.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-release-upgrader-core 1:18.04.42
ProcVersionSignature: Ubuntu 5.4.0-70.78~18.04.1-generic 5.4.94
Uname: Linux 5.4.0-70-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.23
Architecture: amd64
CrashDB: ubuntu
Date: Mon Mar 29 10:10:23 2021
InstallationDate: Installed on 2019-09-22 (553 days ago)
InstallationMedia: Ubuntu 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805)
PackageArchitecture: all
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to bionic on 2021-03-29 (0 days ago)
VarLogDistupgradeTermlog:

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug bionic dist-upgrade third-party-packages

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https://bugs.launchpad.net/bugs/1921694

Title:
  System Upgrade from Bionic to Focal not possible

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

Bug description:
  When trying to upgrade the release from bionic beaver to Focal I
  always get the error message that a critical error has occurred.
  Removing all Launchpad PPAs did not help.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.42
  ProcVersionSignature: Ubuntu 5.4.0-70.78~18.04.1-generic 5.4.94
  Uname: Linux 5.4.0-70-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.23
  Architecture: amd64
  CrashDB: ubuntu
  Date: Mon Mar 29 10:10:23 2021
  InstallationDate: Installed on 2019-09-22 (553 days ago)
  InstallationMedia: Ubuntu 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2021-03-29 (0 days ago)
  VarLogDistupgradeTermlog:

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