FacebookSDK.h file not found

When i build the app with XCODE appear this error "FacebookSDK.h file not found"

Can i resolve this problem?

Thanks

Does there's anything Google can help with?

http://stackoverflow.com/questions/11890183/facebook-ios-sdk-sample-code-doesnt-compile 

There are symbolic links in the package. The problem is that not all programs can unpack and preserve symbolic links, also copying in some programs can damage symbolic links as well.

I would suggest to download the original package again and unpack it using native OSX tools.

Thank, but can i unpack FacebookSDK-3.0.pkg using native OSX tools?

i have build the Facebook SDK 3.0, i hav modify a build phases but occour an error in FBCrypto.o.....