package cracklib-runtime 2.9.0-1ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 127

[Susan Cragin]

This is probably a premature bug.
I did a dist-upgrade to Trusty from Saucy, and had this error.

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: cracklib-runtime 2.9.0-1ubuntu1
ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
Uname: Linux 3.11.0-12-generic x86_64
ApportVersion: 2.12.5-0ubuntu2
Architecture: amd64
Date: Thu Oct 24 06:59:32 2013
DuplicateSignature: package:cracklib-runtime:2.9.0-1ubuntu1:subprocess installed post-installation script returned error exit status 127
ErrorMessage: subprocess installed post-installation script returned error exit status 127
InstallationDate: Installed on 2013-08-12 (73 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Alpha amd64 (20130811)
MarkForUpload: True
SourcePackage: cracklib2
Title: package cracklib-runtime 2.9.0-1ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 127
UpgradeStatus: No upgrade log present (probably fresh install)