package libglib2.0-data 2.26.1-0ubuntu1 failed to install/upgrade: ErrorMessage: package libglib2.0-data is already installed and configured

[AB]

Binary package hint: dpkg

Error message during partial upgrade

ProblemType: Package
DistroRelease: Ubuntu 11.04
Package: libglib2.0-data 2.26.1-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic i686
Architecture: i386
Date: Fri May 6 18:09:44 2011
ErrorMessage: ErrorMessage: package libglib2.0-data is already installed and configured
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
PackageArchitecture: all
SourcePackage: dpkg
Title: package libglib2.0-data 2.26.1-0ubuntu1 failed to install/upgrade: ErrorMessage: package libglib2.0-data is already installed and configured
UpgradeStatus: Upgraded to natty on 2011-05-06 (0 days ago)

[Raphaël Hertzog (hertzog)]

The error is this one:
Preparing to replace libglib2.0-data 2.26.1-0ubuntu1 (using .../libglib2.0-data_2.28.6-0ubuntu1_all.deb) ...

rm: cannot remove `/usr/share/doc/libglib2.0-data': Is a directory

dpkg: error processing /var/cache/apt/archives/libglib2.0-data_2.28.6-0ubuntu1_all.deb (--unpack):

 subprocess new pre-installation script returned error exit status 1

Reaffecting to glib2.0.