Public bug reported:
While upgarading from ubuntu 16.04 to 18.04 this error : Could not calculate
the upgrade occured.
Initially it said to remove unofficial software packages not provided by
ubuntu. I did it. But after that the same error showed but this time it doesn't
said to remove unofficial pacakages. It just that report it or otherwise you
may try yourself by viewing apt.lof and main.log. I tried to see through them
and found many packages related to ROS being broken. Now I don't know what to
do further.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: ubuntu-release-upgrader-core 1:16.04.29
ProcVersionSignature: Ubuntu 4.15.0-99.100~16.04.1-generic 4.15.18
Uname: Linux 4.15.0-99-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.23
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: Unity
Date: Sat May 9 16:23:29 2020
InstallationDate: Installed on 2019-10-30 (191 days ago)
InstallationMedia: Ubuntu 16.04.6 LTS "Xenial Xerus" - Release amd64 (20190227)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to xenial on 2020-05-09 (0 days ago)
VarLogDistupgradeTermlog:
** Affects: ubuntu-release-upgrader (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug dist-upgrade xenial
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https://bugs.launchpad.net/bugs/1877732
Title:
Error:could not calculate the upgrade while updating
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