Can someone tell these guys of Unity to recompile this package for the latest version ? Obsolete Webplayer, occlusion culling data out of date .....
The web player issue is within an optional multiplatform script. You can either go into that script and remove that line or just delete the script altogether. The occlusion culling isn't necessary either, it's more than likely out of date with the latest version of occlusion culling. Only the script error will prevent you from playing the scene.