Error loading assets on Unity 3 Beta windows stand alone

When i'm tring to load a asset file using www and access to the asset using www.assetBundle i got that erro mesage in my output_log.txt

Serialized file contains typetree's but the target can't use them. Will ignore typetrees.

any one???

  1. Read the what's new on Unity's new sandbox environment. That is probably your problem.

  2. Please don't post beta questions on the answers or forums because it can confuse people who are searching for a certain answer.