I was having this warning when submitting my app with Application Loader.
The app references non-public selector in MyApp : id
This warning
The validation warnings are also present in v3.13. I don't know if this will work for other people but he's a quick workaround that got rid of the error. In FBGraphUser.h around line 41 I changed...
@property (retain, nonatomic) NSString *id;
to
@property (retain, nonatomic) NSString *FBUserID;
I was also getting the same validation warning about setProfileId so I went to FBProfilePictureView.h and changed profileID on line 54 & 76 to FBID.
I then updated my FBLoginView information in my game's ViewController to reflect the changes. Everything FB related still seems to work in my app and it passed the Application Loader validation.