[Bug 1787521] Re: Upgrading from 16.04 to 18.04 resulted in an error

[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/1787521

Title:
  Upgrading from 16.04 to 18.04 resulted in an error

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

Bug description:
  When upgrading from 16.04 to 18.04 the following error was reported:

  
  Can't install 'ubuntu-desktop'

  It was impossible to install a required package. Please report this as
  a bug using 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal.


  "Preparing to upgrade" was checked and the next step appeared to be
  underway.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubuntu-release-upgrader-core 1:16.04.25
  ProcVersionSignature: Ubuntu 4.4.0-133.159-generic 4.4.134
  Uname: Linux 4.4.0-133-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Fri Aug 17 10:00:18 2018
  InstallationDate: Installed on 2016-09-16 (699 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to xenial on 2018-08-17 (0 days ago)
  VarLogDistupgradeTermlog:

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