[Bug 1911045] Re: upgrade not possible. the exact problem isn't shown

[Brian Murray]

Thanks for taking the time to report this upgrade failure. There is
currently a new version of the release upgrader availalbe in -proposed
which may resolve the error you've encountered. Please run the following
command to test the new version of the upgrader:

  do-release-upgrade -p

Please lets us know the results in this bug report. Thanks again and
good luck!

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

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https://bugs.launchpad.net/bugs/1911045

Title:
  upgrade not possible. the exact problem isn't shown

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

Bug description:
  "Es konnte nicht ermittelt werden, welche Systemaktualisierungen
  verfügbar sind

  Ein unlösbares Problem trat während der Berechnung der
  Systemaktualisierung auf.

   Wenn keine dieser zutrifft, melden Sie bitte den Fehler mithilfe des
  Befehls 'ubuntu-bug ubuntu-release-upgrader-core' in einem Terminal.
  Wenn Sie dies selbst untersuchen möchten, finden Sie in den
  Protokolldateien unter »/var/log/dist-upgrade« Details zur
  Systemaktualisierung. Schauen Sie sich insbesondere »main.log« und
  »apt.log« an."

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.42
  ProcVersionSignature: Ubuntu 5.4.0-60.67~18.04.1-generic 5.4.78
  Uname: Linux 5.4.0-60-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.21
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: X-Cinnamon
  Date: Mon Jan 11 19:53:40 2021
  InstallationDate: Installed on 2019-04-17 (635 days ago)
  InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2021-01-11 (0 days ago)
  VarLogDistupgradeTermlog:

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