[Bug 1901404] Re: I'm trying to upgrade 18.04 to 20.04 and the upgrade can't be calculated

[Gordon Fleetwood]

** Description changed:

+ This the the output of me trying to upgrade from Ubuntu 18.04 to 20.04:
+ 
  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 
+  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.
  
  If none of this applies, then please report this bug using the command
  'ubuntu-bug ubuntu-release-upgrader-core' in a terminal. If you want to
  investigate this yourself the log files in '/var/log/dist-upgrade' will
  contain details about the upgrade. Specifically, look at 'main.log' and
  'apt.log'.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.38
  ProcVersionSignature: Ubuntu 5.3.0-59.53~18.04.1-generic 5.3.18
  Uname: Linux 5.3.0-59-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.17
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Sun Oct 25 08:03:41 2020
  InstallationDate: Installed on 2019-08-10 (441 days ago)
  InstallationMedia: Ubuntu 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2020-10-25 (0 days ago)
  VarLogDistupgradeTermlog:

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https://bugs.launchpad.net/bugs/1901404

Title:
  I'm trying to upgrade 18.04 to 20.04 and the upgrade can't be
  calculated

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

Bug description:
  This the the output of me trying to upgrade from Ubuntu 18.04 to
  20.04:

  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.

  If none of this applies, then please report this bug using the command
  'ubuntu-bug ubuntu-release-upgrader-core' in a terminal. If you want
  to investigate this yourself the log files in '/var/log/dist-upgrade'
  will contain details about the upgrade. Specifically, look at
  'main.log' and 'apt.log'.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.38
  ProcVersionSignature: Ubuntu 5.3.0-59.53~18.04.1-generic 5.3.18
  Uname: Linux 5.3.0-59-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.17
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Sun Oct 25 08:03:41 2020
  InstallationDate: Installed on 2019-08-10 (441 days ago)
  InstallationMedia: Ubuntu 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2020-10-25 (0 days ago)
  VarLogDistupgradeTermlog:

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