What does "Could not get location property" mean?

Unity Engine
1

I find this error message in unity’s web player log file after trying to run it and it crashes. I am able to have several scenes in the build with no problems but a certain number and/or combination of scenes causes the error.

2

http://forum.unity3d.com/threads/119271-Fatal-errors-in-Web-player-but-not-stand-alone