package tex-common 6.04 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Jonathan Yip]

Happened when purging the tex-gyre (20150923-1) package.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: tex-common 6.04
ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
Uname: Linux 4.4.0-21-generic x86_64
ApportVersion: 2.20.1-0ubuntu2
AptOrdering:
 tex-gyre: Purge
 fonts-texgyre: Install
 fonts-texgyre: Configure
 NULL: ConfigurePending
Architecture: amd64
Date: Fri Apr 22 23:08:52 2016
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2015-04-10 (378 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1
 apt 1.2.10ubuntu1
SourcePackage: tex-common
Title: package tex-common 6.04 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to xenial on 2016-04-22 (0 days ago)