package ruby-rvm 1.6.9-0ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2

[Coral]

During installation

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: ruby-rvm 1.6.9-0ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-17.26-generic 3.2.6
Uname: Linux 3.2.0-17-generic x86_64
ApportVersion: 1.92-0ubuntu1
Architecture: amd64
Date: Tue Feb 21 16:29:31 2012
DuplicateSignature:
 Setting up ruby-rvm (1.6.9-0ubuntu2) ...
 dpkg-statoverride: error: syntax error: unknown group 'admin' in statoverride file
 dpkg: error processing ruby-rvm (--configure):
  subprocess installed post-installation script returned error exit status 2
ErrorMessage: subprocess installed post-installation script returned error exit status 2
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20111129.1)
PackageArchitecture: all
SourcePackage: ruby-rvm
Title: package ruby-rvm 1.6.9-0ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.