[Bug 1809662] Re: unable to upgrade from 17.04 to 18.04

[Brian Murray]

*** This bug is a duplicate of bug 1611737 ***
    https://bugs.launchpad.net/bugs/1611737

** This bug has been marked a duplicate of bug 1611737
   Can't upgrade from a release if ros packages are  installed from ROS servers

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https://bugs.launchpad.net/bugs/1809662

Title:
  unable to upgrade from 17.04 to 18.04

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

Bug description:
  While updating system the popup show error message about unabling
  installing new version of OS

  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: ubuntu-release-upgrader-core 1:17.10.11 [modified: usr/bin/do-release-upgrade]
  ProcVersionSignature: Ubuntu 4.13.0-46.51-generic 4.13.16
  Uname: Linux 4.13.0-46-generic x86_64
  ApportVersion: 2.20.7-0ubuntu3.9
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Dec 24 17:33:19 2018
  InstallationDate: Installed on 2016-07-25 (882 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to artful on 2018-12-24 (0 days ago)
  VarLogDistupgradeTermlog:

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