package iesperanto 2.1.2000.02.25-44 failed to install/upgrade: subprocess installed post-installation script returned error exit status 128

I was installing the package, and it failed.

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: iesperanto 2.1.2000.02.25-44
ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
Uname: Linux 3.2.0-24-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu7
AptOrdering:
 iesperanto: Install
 iesperanto: Configure
Architecture: amd64
Date: Fri May 11 15:08:43 2012
ErrorMessage: subprocess installed post-installation script returned error exit status 128
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
PackageArchitecture: all
SourcePackage: eo-spell
Title: package iesperanto 2.1.2000.02.25-44 failed to install/upgrade: subprocess installed post-installation script returned error exit status 128
UpgradeStatus: Upgraded to precise on 2012-04-10 (31 days ago)