[Bug 1786876] Re: I can't upgrade to Bionic Beaver

[trisha g]

so how does this issue get fixed??

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https://bugs.launchpad.net/bugs/1786876

Title:
  I can't upgrade to Bionic Beaver

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

Bug description:
  when I try upgrade to Ubuntu 18.04 from 16.04 the upgrade software stop and show the message "There is a unsolve problem, an error occurred while calculating the update.". After three possible cause are showed:
  Upgrade to a pre-release
  to run from the pre-release version
  Use non-official ubuntu package.

  Neither above are applicable to me.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubuntu-release-upgrader-core 1:16.04.25
  ProcVersionSignature: Ubuntu 4.15.0-30.32~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-30-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: KDE
  Date: Mon Aug 13 22:30:11 2018
  InstallationDate: Installed on 2017-04-01 (499 days ago)
  InstallationMedia: Kubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to xenial on 2018-08-14 (0 days ago)
  VarLogDistupgradeTermlog:

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