package gosa 2.7.4+reloaded1-4 failed to install/upgrade: subprocess installed post-removal script returned error exit status 1

i can not remove the package from the computer

ProblemType: Package
DistroRelease: Ubuntu 14.10
Package: gosa 2.7.4+reloaded1-4
ProcVersionSignature: Ubuntu 3.13.0-44.73-generic 3.13.11-ckt12
Uname: Linux 3.13.0-44-generic i686
ApportVersion: 2.14.7-0ubuntu8.2
AptOrdering:
 gosa: Remove
 courier-mta: Configure
 mailutils: Configure
Architecture: i386
Date: Tue Mar 24 11:39:59 2015
DuplicateSignature: package:gosa:2.7.4+reloaded1-4:subprocess installed post-removal script returned error exit status 1
ErrorMessage: subprocess installed post-removal script returned error exit status 1
InstallationDate: Installed on 2012-12-05 (839 days ago)
InstallationMedia: Kubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.1)
PackageArchitecture: all
SourcePackage: gosa
Title: package gosa 2.7.4+reloaded1-4 failed to install/upgrade: subprocess installed post-removal script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)