package gtk3-engines-oxygen 1.0.2-0ubuntu2 failed to install/upgrade: package gtk3-engines-oxygen is already installed and configured

I got this bug during the installation of kubuntu-desktop on my Ubuntu 12.04 installation.

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: gtk3-engines-oxygen 1.0.2-0ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-35.55-generic 3.2.34
Uname: Linux 3.2.0-35-generic x86_64
ApportVersion: 2.0.1-0ubuntu15.1
Architecture: amd64
Date: Wed Jan 2 10:27:10 2013
ErrorMessage: package gtk3-engines-oxygen is already installed and configured
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1)
MarkForUpload: True
SourcePackage: oxygen-gtk3
Title: package gtk3-engines-oxygen 1.0.2-0ubuntu2 failed to install/upgrade: package gtk3-engines-oxygen is already installed and configured
UpgradeStatus: No upgrade log present (probably fresh install)