package accountsservice 0.6.37-1ubuntu10.1 failed to install/upgrade: subprocess new pre-removal script returned error exit status 1

Upgrade from 15.04 to 15.10beta. The system froze and had to be rebooted (it booted into Gnome successfully).

ProblemType: Package
DistroRelease: Ubuntu 15.10
Package: accountsservice 0.6.37-1ubuntu10.1
ProcVersionSignature: Ubuntu 3.19.0-31.35-generic 3.19.8-ckt7
Uname: Linux 3.19.0-31-generic x86_64
ApportVersion: 2.17.2-0ubuntu1.5
Architecture: amd64
Date: Thu Oct 8 19:27:08 2015
DuplicateSignature: package:accountsservice:0.6.37-1ubuntu10.1:subprocess new pre-removal script returned error exit status 1
ErrorMessage: subprocess new pre-removal script returned error exit status 1
InstallationDate: Installed on 2015-01-12 (269 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
RelatedPackageVersions:
 dpkg 1.17.25ubuntu1
 apt 1.0.9.7ubuntu4.2
SourcePackage: accountsservice
Title: package accountsservice 0.6.37-1ubuntu10.1 failed to install/upgrade: subprocess new pre-removal script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)