[Bug 1826258] Re: Ubuntu 18.04 upgrade error

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1826258

Title:
  Ubuntu 18.04 upgrade error

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

Bug description:
  An unresolvable problem occurred while calculating the upgrade.

   This was caused by:
   * Upgrading to a pre-release version of Ubuntu
  This is most likely a transient problem, 
  please try again later.
  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 16.04
  Package: ubuntu-release-upgrader-core 1:16.04.26
  ProcVersionSignature: Ubuntu 4.4.0-146.172-generic 4.4.177
  Uname: Linux 4.4.0-146-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Wed Apr 24 16:15:59 2019
  InstallationDate: Installed on 2014-02-05 (1904 days ago)
  InstallationMedia: It
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to xenial on 2019-04-24 (0 days ago)
  VarLogDistupgradeTermlog:

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