package compiz-plugins-main (not installed) failed to install/upgrade: trying to overwrite '/usr/share/compiz/ring.xml', which is also in package compiz-fusion-plugins-main 2:0.8.6-0ubuntu2.1

I'm not sure. I was just running the package manager and it told me I hae a problem. with a dependency.

ProblemType: Package
DistroRelease: Ubuntu 11.04
Package: compiz-plugins-main (not installed)
ProcVersionSignature: Ubuntu 2.6.38-10.46-generic 2.6.38.7
Uname: Linux 2.6.38-10-generic i686
Architecture: i386
Date: Sun Jul 31 01:37:19 2011
DpkgTerminalLog:
 Unpacking compiz-plugins-main (from .../compiz-plugins-main_0.9.4+bzr20110527-0ubuntu1~natty1_i386.deb) ...
 dpkg: error processing /var/cache/apt/archives/compiz-plugins-main_0.9.4+bzr20110527-0ubuntu1~natty1_i386.deb (--unpack):
  trying to overwrite '/usr/share/compiz/ring.xml', which is also in package compiz-fusion-plugins-main 2:0.8.6-0ubuntu2.1
ErrorMessage: trying to overwrite '/usr/share/compiz/ring.xml', which is also in package compiz-fusion-plugins-main 2:0.8.6-0ubuntu2.1
InstallationMedia: Zorin OS 5 32 bit - Release i386
SourcePackage: compiz-plugins-main
Title: package compiz-plugins-main (not installed) failed to install/upgrade: trying to overwrite '/usr/share/compiz/ring.xml', which is also in package compiz-fusion-plugins-main 2:0.8.6-0ubuntu2.1
UpgradeStatus: No upgrade log present (probably fresh install)