[Development] Project ERROR: Could not resolve platform name for SDK 'macosx10.8'

[Amit Biran]

Hello,

I'm trying to build on MacOS any of the Example Qt projects.

OSX: 
    10.8.5 (Mountain Lion)    
Qt Creator Info: 
    Based on Qt 5.2.1 (Clang 5.0 (Apple), 64 bit)
    Built on Jan 31 2014 at 06:00:56
Xcode Info: 
    Version 4.6.3 
    
I am getting the following error:
    Project ERROR: Could not resolve platform name for SDK 'macosx10.8'

Please advise,
Thanks,
Amit Biran.