package ssh-askpass-gnome 1:6.6p1-2ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2

i dont know

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: ssh-askpass-gnome 1:6.6p1-2ubuntu2
ProcVersionSignature: Ubuntu 3.13.0-39.66-generic 3.13.11.8
Uname: Linux 3.13.0-39-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.6
Architecture: amd64
Date: Sat Nov 15 11:57:12 2014
DuplicateSignature: package:ssh-askpass-gnome:1:6.6p1-2ubuntu2:subprocess installed post-installation script returned error exit status 2
ErrorMessage: subprocess installed post-installation script returned error exit status 2
InstallationDate: Installed on 2013-06-01 (532 days ago)
InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64 (20130213)
SourcePackage: openssh
Title: package ssh-askpass-gnome 1:6.6p1-2ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2
UpgradeStatus: Upgraded to trusty on 2014-08-23 (84 days ago)