[Bug 1990163] Re: Upgrader could not calculate the upgrade while trying to upgrade from 20.04 to 22.04

[Heinrich Schuchardt]

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

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https://bugs.launchpad.net/bugs/1990163

Title:
  Upgrader could not calculate the upgrade while trying to upgrade from
  20.04 to 22.04

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

Bug description:
  At first I was getting an error that said it couldn't calculate
  because "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."

  Used ppa-purge to purge what I could, then commented out all files
  from /etc/apt which contained "sources.list" Now I'm running into this
  error.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubuntu-release-upgrader-core 1:20.04.39
  ProcVersionSignature: Ubuntu 5.15.0-46.49~20.04.1-generic 5.15.39
  Uname: Linux 5.15.0-46-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.24
  Architecture: amd64
  CasperMD5CheckResult: skip
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Sep 19 11:02:30 2022
  InstallationDate: Installed on 2022-05-29 (113 days ago)
  InstallationMedia: Ubuntu 20.04.4 LTS "Focal Fossa" - Release amd64 (20220223)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to focal on 2022-09-19 (0 days ago)
  VarLogDistupgradeTermlog:

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