How to add keychain sharing feature to App ID without device?

Question

My problem is that I need to enable the keychain sharing feature to App ID in order to make Facebook login work for iOS10. How to use Facebook iOS SDK on iOS 10

However,

Answer 1

Go to the "general" tab and look at the "signing" section. I had been signed in at a Corporate account (which has since expired) and so had to select my correct account from the "Team" drop-down menu. Now the Team can be found in the Account.