[Bug 2046831] Re: Unable to update from 23.04 to 23.10 ("Could not calculate the upgrade")

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

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

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https://bugs.launchpad.net/bugs/2046831

Title:
  Unable to update from 23.04 to 23.10 ("Could not calculate the
  upgrade")

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

Bug description:
  Full error message:

  ```
  Could not calculate the upgrade 

  An unresolvable problem occurred while calculating the upgrade.

  This was likely caused by: 
  * 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. 
  ```

  The problem seems to be with PPAs, but I never added external
  repositories, plus I just upgraded from 22.04 to 23.04 with no issues.

  ProblemType: Bug
  DistroRelease: Ubuntu 23.04
  Package: ubuntu-release-upgrader-core 1:23.04.7
  ProcVersionSignature: Ubuntu 6.2.0-39.40-generic 6.2.16
  Uname: Linux 6.2.0-39-generic x86_64
  ApportVersion: 2.26.1-0ubuntu2.1
  Architecture: amd64
  CasperMD5CheckResult: pass
  CrashDB: ubuntu
  CrashReports:
   640:1000:124:1601858:2023-12-18 16:05:31.113037586 +0100:2023-12-18 16:05:32.113037586 +0100:/var/crash/_usr_libexec_tracker-extract-3.1000.crash
   640:127:124:4348900:2023-12-16 00:18:34.899098170 +0100:2023-12-16 00:18:34.903098158 +0100:/var/crash/_usr_bin_Xwayland.127.crash
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Dec 18 19:15:56 2023
  InstallationDate: Installed on 2023-05-09 (223 days ago)
  InstallationMedia: Ubuntu 22.04.1 LTS "Jammy Jellyfish" - Release amd64 (20220809.1)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to lunar on 2023-12-18 (0 days ago)
  VarLogDistupgradeAptHistorylog:
   Start-Date: 2023-12-18  19:15:09
   Requested-By: dmacario (1000)
   End-Date: 2023-12-18  19:15:09
  VarLogDistupgradeApttermlog:
   Log started: 2023-12-18  19:15:09
   Log ended: 2023-12-18  19:15:09

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