trying to overwrite '/usr/lib32/at-spi/at-spi-registryd', which is also in package ia32-libs 0:2.7ubuntu17

[dei]

Binary package hint: ia32-libs-sdl

Tried to install ia32-libs-sdl on my 64bit (Core i7 920) Karmic (64bit install too),

Got the following error-message:

dpkg: error processing /var/cache/apt/archives/ia32-libs-gtk_16_amd64.deb (--unpack):
 trying to overwrite '/usr/lib32/at-spi/at-spi-registryd', which is also in package ia32-libs 0:2.7ubuntu17
dpkg-deb: subprocess paste killed by signal (Broken pipe)
Errors were encountered while processing:
 /var/cache/apt/archives/ia32-libs-gtk_16_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Package
AptOrdering:
 ia32-libs-sdl: Install
 ia32-libs-sdl: Configure
Architecture: amd64
Date: Tue Jan 5 16:23:29 2010
DistroRelease: Ubuntu 9.10
ErrorMessage: trying to overwrite '/usr/lib32/libSDL_mixer-1.2.so.0', which is also in package ia32-libs 0:2.7ubuntu17
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
NonfreeKernelModules: nvidia
Package: ia32-libs-sdl (not installed)
ProcVersionSignature: Ubuntu 2.6.31-16.53-generic
SourcePackage: ia32-libs-sdl
Title: package ia32-libs-sdl (not installed) failed to install/upgrade: trying to overwrite '/usr/lib32/libSDL_mixer-1.2.so.0', which is also in package ia32-libs 0:2.7ubuntu17
Uname: Linux 2.6.31-16-generic x86_64