package sddm 0.13.0-1ubuntu5 failed to install/upgrade: subprocess installed post-removal script returned error exit status 128

[scotdb]

Switching from kubuntu-desktop to lubuntu-desktop. Doing remove on auto installed KDE packages.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: sddm 0.13.0-1ubuntu5
ProcVersionSignature: Ubuntu 4.4.0-57.78-generic 4.4.35
Uname: Linux 4.4.0-57-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.4
Architecture: amd64
Date: Mon Jan 9 13:11:29 2017
ErrorMessage: subprocess installed post-removal script returned error exit status 128
InstallationDate: Installed on 2016-06-07 (215 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.15ubuntu0.2
SourcePackage: sddm
Title: package sddm 0.13.0-1ubuntu5 failed to install/upgrade: subprocess installed post-removal script returned error exit status 128
UpgradeStatus: No upgrade log present (probably fresh install)