package zentyal-core 2.3.4 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 8

[mixphonics]

upgrading from 11.10 to 12.04 error received.

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: zentyal-core 2.3.4
ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
Uname: Linux 3.2.0-24-generic i686
NonfreeKernelModules: openafs
ApportVersion: 2.0.1-0ubuntu7
Architecture: i386
Date: Mon Apr 30 21:50:25 2012
ErrorMessage: ErrorMessage: subprocess installed post-installation script returned error exit status 8
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
PackageArchitecture: all
SourcePackage: zentyal-core
Title: package zentyal-core 2.3.4 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 8
UpgradeStatus: Upgraded to precise on 2012-05-01 (0 days ago)