[Bug 1787579] Re: Cant update Kubuntu 16.04 to 18.04 updater crashes displaying "could not calculate the update"

[Launchpad Bug Tracker]

[Expired for ubuntu-release-upgrader (Ubuntu) because there has been no
activity for 60 days.]

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1787579

Title:
  Cant update Kubuntu 16.04 to 18.04 updater crashes displaying "could
  not calculate the update"

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

Bug description:
  Updater crashes with screen as I reported earlier
  "https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-
  upgrader/+bug/1787383". Removed the kubuntu-backports PPA as
  recommended by Brian, still the same problem.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubuntu-release-upgrader-core 1:16.04.25
  ProcVersionSignature: Ubuntu 4.4.0-78.99-generic 4.4.62
  Uname: Linux 4.4.0-78-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: KDE
  Date: Fri Aug 17 12:52:59 2018
  InstallationDate: Installed on 2015-03-05 (1261 days ago)
  InstallationMedia: Ubuntu 12.04.5 LTS "Precise Pangolin" - Release amd64 (20140807)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  Symptom: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to xenial on 2018-08-17 (0 days ago)
  VarLogDistupgradeTermlog:

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