package redmine 1.1.3-4 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 2

I think the problem can be that I install the ruby by installing from source

ProblemType: Package
DistroRelease: Ubuntu 11.10
Package: redmine 1.1.3-4
ProcVersionSignature: Ubuntu 2.6.38-11.50-generic 2.6.38.8
Uname: Linux 2.6.38-11-generic x86_64
ApportVersion: 1.23-0ubuntu3
Architecture: amd64
Date: Tue Oct 18 23:27:44 2011
ErrorMessage: ErrorMessage: subprocess installed post-installation script returned error exit status 2
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
PackageArchitecture: all
SourcePackage: redmine
Title: package redmine 1.1.3-4 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 2
UpgradeStatus: Upgraded to oneiric on 2011-10-18 (0 days ago)