Mac Levels not loading

Hi all,

I posted a question in the unity answers board, but thought it might be worth giving a shout in here. We are having a particular problem when doing a Mac build of our project. This project runs fine when built as a windows executable. When we try to output it as a Mac(Both universal and intel based), the game runs into a problem. It will load the first scene perfectly fine, it is a main menu screen. But when we try to load a different scene from there, the application locks up and hangs. The scenes themselves all work if we compile them out separately. But when it hits a point for transition, it freezes. We are not doing any type of asynchronous loading, it is just a simple Application.LoadLevel(Level_Name); call. If anyone knows anything, it would be most appreciated.

The project was built using a windows 7 machine running Unity Pro.