Why am I getting com.facebook.sdk.login error 308?

Question

I am using Xcode 7.0, testing on iOS 9.0.2 and using Facebook SDK 4.7.0.

When I am logging in a user, most of the time everything works as it should, however sometimes I

Answer 1

Looks like problem is solved with 4.9.0. I had the same problem and it's fixed with new SDK version.
https://developers.facebook.com/docs/ios/change-log-4.x