package libreoffice-core 1:3.4.4-0ubuntu2 failed to install/upgrade: ErrorMessage: subprocess new pre-installation script returned error exit status 1

[Mossroy]

I'm testing Ubuntu 12.04 alpha.
During the upgrade, the package libreoffice-core failed to install
At the end of the upgrade process, it told me that all the libreoffice-* packages were left unconfigured

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: libreoffice-core 1:3.4.4-0ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-8.14-generic 3.2.0
Uname: Linux 3.2.0-8-generic x86_64
ApportVersion: 1.90-0ubuntu1
Architecture: amd64
Date: Fri Jan 13 08:26:18 2012
ErrorMessage: ErrorMessage: subprocess new pre-installation script returned error exit status 1
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20111129.1)
SourcePackage: libreoffice
Title: package libreoffice-core 1:3.4.4-0ubuntu2 failed to install/upgrade: ErrorMessage: subprocess new pre-installation script returned error exit status 1
UpgradeStatus: Upgraded to precise on 2012-01-13 (0 days ago)