Update to 3.7.3 has errors

[mtran003]

I am trying to upgrade from and earlier 2.x version (don't recall exactly which) on an existing project.  I followed the upgrade instructions, such as it is, exactly as I can understand them -- which is all of three lines:

1. In Unity, File -> New Scene
2. Delete the NGUI folder from the Project View.
3. Import NGUI from the updated Unity Package.

But I get have this error in my legacy custom code:

1. Assets/Scripts/SelectBoard.js(13,23): BCE0018: The name 'UISlicedSprite' does not denote a valid type ('not found').

I understand the UISlicedSprite no longer exists.  What's the best way to resolve?

Thanks,
Manny

[ArenMook]

You need to follow the 3 step upgrade process carefully. Delete the old NGUI folder before importing the new one, or you get old leftover scripts hanging around.