[Zope] problems with install of zGold example site

I extracted the tarball in /var/zope, and then imported the file. Everything went ok. I restarted the server. When I tried to access the "copy_of_zGold" folder, I get this error message: Zope Error Zope has encountered an error while publishing this resource. Error Type: AttributeError Error Value: __getitem__ I don't have the mysql database connector installed. I am going to change it to use the postgresql database. Would this make a difference? thanks, Geoff Nordli