[Bug 2009689] Re: Ububtu 20.04 can't update 22.04 An unresolvable problem occurred while calculating the upgrade

[Nick Rosbrook]

*** This bug is a duplicate of bug 1987720 ***
    https://bugs.launchpad.net/bugs/1987720

Reviewing the files from your upgrade attempt, you have installed
packages from the remmina-ppa-team/remmina-next PPA. Some of the
packages installed are newer than those in the official archive, which
is preventing the upgrade from being calculated. Please try running ppa-
purge ppa:remmina-ppa-team/remmina-next to remove packages installed
from that PPA. After that you can try upgrading again and if it still
fails open a new bug report. Thanks and good luck!

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

** Tags added: remmina-next-ppa

** This bug has been marked a duplicate of bug 1987720
   update from 20.04 to 22.04 breaks due to packages from ppa:remmina-ppa-team/remmina-next

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https://bugs.launchpad.net/bugs/2009689

Title:
  Ububtu 20.04 can't update 22.04 An unresolvable problem occurred while
  calculating the upgrade

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

Bug description:
  While updating to 22.04 unresolvable problem occurred.
  No idea what could go wrong. Updated from 18.04 to 20.04 one day ago.
  Trace:
  Checking package manager
  Reading package lists... Done    
  Building dependency tree          
  Reading state information... Done

  Calculating the changes

  Calculating the changes

  Could not calculate the upgrade

  An unresolvable problem occurred while calculating the upgrade.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubuntu-release-upgrader-core 1:20.04.40
  ProcVersionSignature: Ubuntu 5.4.0-144.161-generic 5.4.229
  Uname: Linux 5.4.0-144-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.11-0ubuntu27.25
  Architecture: amd64
  CasperMD5CheckResult: skip
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Mar  8 12:14:08 2023
  InstallationDate: Installed on 2019-04-04 (1433 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to focal on 2023-03-08 (0 days ago)

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