An unknown problem encountered during upgrade

[David]

Just something I encountered during 12.04-14.04 upgrade I don't know what the actual issue is

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: gconf2-common 3.2.6-0ubuntu2
ProcVersionSignature: Ubuntu 3.8.0-38.56~precise1-generic 3.8.13.19
Uname: Linux 3.8.0-38-generic x86_64
ApportVersion: 2.14.1-0ubuntu3
Architecture: amd64
Date: Fri Apr 18 00:44:06 2014
DuplicateSignature: package:gconf2-common:3.2.6-0ubuntu2:ErrorMessage: subprocess installed post-installation script returned error exit status 127
ErrorMessage: ErrorMessage: subprocess installed post-installation script returned error exit status 127
InstallationDate: Installed on 2013-11-05 (163 days ago)
InstallationMedia: Ubuntu 12.04.3 LTS "Precise Pangolin" - Release amd64 (20130820.1)
PackageArchitecture: all
SourcePackage: gconf
Title: package gconf2-common 3.2.6-0ubuntu2 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 127
UpgradeStatus: Upgraded to trusty on 2014-04-18 (0 days ago)