package apt 1.2.20 failed to install/upgrade: subprocess new pre-removal script returned error exit status 2

[Hubert]

Everything apart the System error pop-up at machine start up looks fine.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: apt 1.2.20
ProcVersionSignature: Ubuntu 4.8.0-53.56~16.04.1-generic 4.8.17
Uname: Linux 4.8.0-53-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.6
Architecture: amd64
Date: Tue May 30 10:17:42 2017
Df:
 Filesystem 1K-blocks Used Available Use% Mounted on
 /dev/sda1 114752072 48694416 60205496 45% /
 tmpfs 810472 9584 800888 2% /run
DpkgTerminalLog:
 Log ended: 2017-05-29 17:24:19
   Log started: 2017-05-30 10:17:40
ErrorMessage: subprocess new pre-removal script returned error exit status 2
InstallationDate: Installed on 2017-04-11 (49 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.2
 apt 1.2.20
SourcePackage: apt
Title: package apt 1.2.20 failed to install/upgrade: subprocess new pre-removal script returned error exit status 2
UpgradeStatus: No upgrade log present (probably fresh install)

[Julian Andres Klode (juliank)]

For some reason /var/log/apt/term.log was not attached, without it, we have no chance to see what happens. Please attach.

[Launchpad Janitor (janitor)]

[Expired for apt (Ubuntu) because there has been no activity for 60 days.]