[Bug 1767291] Re: Unable to upgrade to 18.04 LTS from 17.10

[Ubuntu Foundations Team Bug Bot]

** Tags added: artful2bionic

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https://bugs.launchpad.net/bugs/1767291

Title:
  Unable to upgrade to 18.04 LTS  from 17.10

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

Bug description:
  Unable to upgrade Ubuntu 17.10 to Ubuntu 18.04 LTS

  Update manager shows error " Ubuntu-Gnome-desktop"After that the below
  message.

  
  An unresolvable problem occurred while calculating the upgrade.

   This can be caused by:
   * Upgrading to a pre-release version of Ubuntu
   * Running the current pre-release version of Ubuntu
   * Unofficial software packages not provided by Ubuntu


  *************

  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: ubuntu-release-upgrader-core 1:17.10.11
  ProcVersionSignature: Ubuntu 4.13.0-17.20-generic 4.13.8
  Uname: Linux 4.13.0-17-generic x86_64
  ApportVersion: 2.20.7-0ubuntu3.8
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: GNOME
  Date: Fri Apr 27 13:12:48 2018
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to artful on 2018-04-27 (0 days ago)
  VarLogDistupgradeTermlog:

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