Since upgraded to the newest Xcode, I ran into some issues with FBSDK while trying to login via FBSDKLoginManager. The login window in Safari pops up but it sta
FBSDKLoginManager
I was facing similar issue, and following worked for me...
Click on App Target -> Capabilities -> Turn the keychain sharing on.
here is the reference image showing this setting.
https://app.box.com/s/mg7hyp1i9qp89mmmqdi2kq2i41bp0cak