package libopencore-amrnb0 (not installed) failed to install/upgrade: trying to overwrite '/usr/lib/libopencore-amrnb.so.0.0.2', which is also in package libopencore-amr 0:20091017-1

[dasher]

lsb_release -rd:
Description: Ubuntu karmic (development branch)
Release: 9.10

apt-cache policy libopencore-amrnb0:
libopencore-amrnb0:
  Installed: (none)
  Candidate: 0.1.2-1
  Version table:
     0.1.2-1 0
        500 http://archive.ubuntu.com karmic/universe Packages
     0.1.1-1~karmic 0
        500 http://ppa.launchpad.net karmic/main Packages

ProblemType: Package
Architecture: amd64
Date: Sat Oct 17 16:54:56 2009
DistroRelease: Ubuntu 9.10
ErrorMessage: trying to overwrite '/usr/lib/libopencore-amrnb.so.0.0.2', which is also in package libopencore-amr 0:20091017-1
NonfreeKernelModules: nvidia
Package: libopencore-amrnb0 (not installed)
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
SourcePackage: opencore-amr
Title: package libopencore-amrnb0 (not installed) failed to install/upgrade: trying to overwrite '/usr/lib/libopencore-amrnb.so.0.0.2', which is also in package libopencore-amr 0:20091017-1
Uname: Linux 2.6.31-14-generic x86_64