What steps will reproduce the problem?
1.checkout http://gfacet.googlecode.com/svn/trunk/
2.use flex sdk 3.4 and build
3.Getting errors

What is the expected output? What do you see instead?
Expected to build

What version of the product are you using? On what operating system?
Windows operating system. Building from trunk.

Please provide any additional information below.
import popup.StableAbout; in MainMenuController , type does not exist.
preloader="preloader.CustomPreloader" in main.mxml says  Error: Access of 
undefined property CustomPreloader.
preloader: preloader.CustomPreloader