[Bug 1788617] Re: sudo do-release-upgrade failed

[Brian Murray]

*** This bug is a duplicate of bug 1773859 ***
    https://bugs.launchpad.net/bugs/1773859

** This bug has been marked a duplicate of bug 1773859
   upgrades to 18.04 fail

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https://bugs.launchpad.net/bugs/1788617

Title:
  sudo do-release-upgrade failed

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

Bug description:
  Ubuntu 18.4.1 Upgrade Fail

  sudo do-release-upgrade

  Termanal:
  Could not calculate the upgrade 

  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 

  If none of this applies, then please report this bug using the 
  command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal. 

  
  Restoring original system state

  ____________________________

  Used the "ubuntu-bug ubuntu-release-upgrader-core" as instructed.

  What now?

  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: Thu Aug 23 06:48:03 2018
  InstallationDate: Installed on 2014-01-24 (1671 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to xenial on 2018-08-23 (0 days ago)

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