seem a bit old question but I have try some solution but did not work. I doubt that is because old Facebook frame work is not working anymore. I have a
If you are using Cocoapods i would suggest to update your
to the latest with adding those 3 dependencies :
pod 'FBSDKCoreKit' pod 'FBSDKLoginKit' pod 'FBSDKShareKit'
Pod Install from terminal to download the frameworks and finally do some changes since the new sdk is different .