package gnome-accessibility-themes-extras (not installed) failed to install/upgrade: trying to overwrite '/usr/share/themes/LowContrast/index.theme', which is also in package gnome-themes-standard 2.91.93-1

[[e-mail]]

Binary package hint: gnome-themes

this error i get it after install gnome3 and remove it

ProblemType: Package
DistroRelease: Ubuntu 11.04
Package: gnome-accessibility-themes-extras (not installed)
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Mon May 9 12:57:43 2011
ErrorMessage: trying to overwrite '/usr/share/themes/LowContrast/index.theme', which is also in package gnome-themes-standard 2.91.93-1
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
SourcePackage: gnome-themes
Title: package gnome-accessibility-themes-extras (not installed) failed to install/upgrade: trying to overwrite '/usr/share/themes/LowContrast/index.theme', which is also in package gnome-themes-standard 2.91.93-1
UpgradeStatus: No upgrade log present (probably fresh install)