[Bug 1928518] [NEW] updating from 18.04 to 20.04.2 LTS. While reading new package sources, the error occured and terminated the installation preparation

[Anja Weingart]

Public bug reported:

1) Description:	Ubuntu 18.04.5 LTS; Release:	18.04
2) Aktualisierungsverwaltung
3) Expected to upgrade from 18.04 to 20.04
4) installation process terminated

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-release-upgrader-core 1:18.04.44
ProcVersionSignature: Ubuntu 5.4.0-73.82~18.04.1-generic 5.4.106
Uname: Linux 5.4.0-73-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.23
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: XFCE
Date: Fri May 14 23:34:19 2021
InstallationDate: Installed on 2020-03-28 (412 days ago)
InstallationMedia: Xubuntu 18.04.4 LTS "Bionic Beaver" - Release amd64 (20200203.1)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to bionic on 2021-05-14 (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/1928518

Title:
  updating from 18.04 to 20.04.2 LTS. While reading new package sources,
  the error occured and terminated the installation preparation

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

Bug description:
  1) Description:	Ubuntu 18.04.5 LTS; Release:	18.04
  2) Aktualisierungsverwaltung
  3) Expected to upgrade from 18.04 to 20.04
  4) installation process terminated

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.44
  ProcVersionSignature: Ubuntu 5.4.0-73.82~18.04.1-generic 5.4.106
  Uname: Linux 5.4.0-73-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.23
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: XFCE
  Date: Fri May 14 23:34:19 2021
  InstallationDate: Installed on 2020-03-28 (412 days ago)
  InstallationMedia: Xubuntu 18.04.4 LTS "Bionic Beaver" - Release amd64 (20200203.1)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2021-05-14 (0 days ago)
  VarLogDistupgradeTermlog:

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