[Bug 2150100] Re: An unresolvable problem occurred while calculating the upgrade

[Nick Rosbrook]

** Tags added: rls-rr-incoming

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https://bugs.launchpad.net/bugs/2150100

Title:
  An unresolvable problem occurred while calculating the upgrade

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

Bug description:
  upgrading from 24.04.4 to 26.04 got the following error:Could not
  calculate the upgrade

  An unresolvable problem occurred while calculating the upgrade

  ProblemType: Bug
  DistroRelease: Ubuntu 24.04
  Package: ubuntu-release-upgrader-core 1:24.04.28
  ProcVersionSignature: Ubuntu 6.17.0-22.22~24.04.1-generic 6.17.13
  Uname: Linux 6.17.0-22-generic x86_64
  ApportVersion: 2.28.1-0ubuntu3.8
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Thu Apr 23 07:41:48 2026
  PackageArchitecture: all
  ProcEnviron:
   LANG=en_US.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   TERM=xterm-256color
   XDG_RUNTIME_DIR=<set>
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to noble on 2026-04-23 (0 days ago)
  VarLogDistupgradeAptHistorylog:
   Start-Date: 2026-04-23  07:26:56
   Requested-By: rb (1000)
   End-Date: 2026-04-23  07:26:56
  VarLogDistupgradeApttermlog:
   Log started: 2026-04-23  07:26:56
   Log ended: 2026-04-23  07:26:56

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