Implicit declaration of function 'FBSDK_NOT_DESIGNATED_INITIALIZER' is invalid in C99 Expected ')'
问题 I'm using Facebook SDK for iOS 4.6.0 and just today above error encountered after updating cocoapods to 0.38.2. I'm not sure this error has anything to do with cocoapods. Error screenshot: 回答1: I had the same issue. The problem appeared because, I was connecting both " ParseFacebookUtils " (which was loading " Facebook-iOS-SDK " (which is the deprecated version) and " FBSDKCoreKit " separately. " Facebook-iOS-SDK " and " FBSDKCoreKit " both have " FBSDKMacros.h " which has different