[Bug 2079924] Re: Could not determine the upgrade An unresolvable problem occurred while calculating the upgrade

[Tim Richardson]

this is not a bug. It's telling you to undo packages added by a ppa before the upgrade. 
ppas can introduce versions and dependencies not expected by the upgrader, so it's warning you now rather than risking a broken update.

the ppa-purge command will do that for you and most of the time it works. 
It can be tricky to get the syntax correct and make sure you don't have any update or package management tool open at the sametieme.

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https://bugs.launchpad.net/bugs/2079924

Title:
  Could not determine the upgrade   An unresolvable problem occurred
  while calculating the upgrade

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

Bug description:
  * Unofficial software packages not provided by Ubuntu 
  Please use the tool 'ppa-purge' from the ppa-purge 
  package to remove software from a Launchpad PPA and 
  try the upgrade again.

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: ubuntu-release-upgrader-core 1:22.04.19
  ProcVersionSignature: Ubuntu 6.8.0-40.40~22.04.3-generic 6.8.12
  Uname: Linux 6.8.0-40-generic x86_64
  ApportVersion: 2.20.11-0ubuntu82.6
  Architecture: amd64
  CasperMD5CheckResult: pass
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Sun Sep  8 14:57:33 2024
  InstallationDate: Installed on 2024-03-28 (164 days ago)
  InstallationMedia: Ubuntu 22.04.4 LTS "Jammy Jellyfish" - Release amd64 (20240220)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to jammy on 2024-09-08 (0 days ago)

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