package at 3.1.16-1ubuntu1 failed to install/upgrade: subprocess new pre-removal script returned error exit status 1

[Geoff McQueen]

Trying to install the printer drivers for openprinting-gutenprint.

ProblemType: Package
DistroRelease: Ubuntu 15.10
Package: at 3.1.16-1ubuntu1
ProcVersionSignature: Ubuntu 4.2.0-34.39-generic 4.2.8-ckt4
Uname: Linux 4.2.0-34-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
Date: Mon Mar 28 16:18:28 2016
DuplicateSignature: package:at:3.1.16-1ubuntu1:subprocess new pre-removal script returned error exit status 1
ErrorMessage: subprocess new pre-removal script returned error exit status 1
InstallationDate: Installed on 2015-03-23 (371 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
RelatedPackageVersions:
 dpkg 1.18.2ubuntu5.1
 apt 1.0.10.2ubuntu1
SourcePackage: at
Title: package at 3.1.16-1ubuntu1 failed to install/upgrade: subprocess new pre-removal script returned error exit status 1
UpgradeStatus: Upgraded to wily on 2015-10-27 (153 days ago)