[Bug 1783173] Re: "Could not calculate update" from 17.10 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/1783173

Title:
  "Could not calculate update" from 17.10 to 18.04

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

Bug description:
  Was getting the "Could not calculate update" when I tried to upgrade
  from 17.10 to 18.04. Now I know that 17.10 is not officially supported
  anymore, but it would help me a lot if I didn't have to format and
  reinstall 18.04 all over again

  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: ubuntu-release-upgrader-core 1:17.10.11
  ProcVersionSignature: Ubuntu 4.13.0-46.51-generic 4.13.16
  Uname: Linux 4.13.0-46-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.20.7-0ubuntu3.9
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Jul 23 23:16:32 2018
  InstallationDate: Installed on 2017-08-11 (346 days ago)
  InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to artful on 2018-07-23 (0 days ago)

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