FB 4.5 and UIScrollBar

Hi everybody,
I am working on a project: I have a FLA file set to publish for AIR 2.6 with all the assets inside. I've set up a Flash Professional Project in FB 4.5.
The problem is that I have a UIScrollBar in the FLA file. If I try to retrieve this object from a class file within FB, it is not recognized. I can still publish the file within flash without problems but the errors in FB are not nice and I miss the code hinting. I get errors like:
1046: Type was not found or was not a compile-time constant: UIScrollBar.
1172: Definition fl.controls:UIScrollBar could not be found.
Is this because FB is using the 4.5.1 Flex SDK and not the 2.6 AIR SDK? Is there a way to set this correctly?
Thank you!
F.

Hi,
I found this article:
http://help.adobe.com/en_US/flex/using/WS2db454920e96a9e51e63e3d11c0bf69084-7f2d.html#WS2d b454920e96a9e51e63e3d11c0bf69084-7f34
I follow adding new locales.
Still have the error:
unable to open 'C:\Program Files (x86)\Adobe\Adobe Flash Builder 4.6\sdks\4.6.0\frameworks\locale\en_US,es_ES'
I'm sure something simple is missing.
Any ideas?
It is a way to attach my test app zip file here?
Thanks

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SOLVED:
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