[Bug 1831305] Re: I can't upgrade to Ubuntu 18.1 from Ubuntu 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/1831305

Title:
  I can't upgrade to Ubuntu 18.1 from Ubuntu 18.04

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

Bug description:
  When I tried to upgrade, it show me error to remove PPA reposiory. I
  remove all other PPA still it show me error.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.33
  ProcVersionSignature: Ubuntu 4.18.0-21.22~18.04.1-generic 4.18.20
  Uname: Linux 4.18.0-21-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.6
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Jun  1 11:00:18 2019
  InstallationDate: Installed on 2019-05-11 (20 days ago)
  InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2019-06-01 (0 days ago)
  mtime.conffile..etc.update-manager.release-upgrades: 2019-06-01T10:54:45.376432

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