I was hitting the same issue for a week.
Since today, I change the Xcode Version back to Xcode 9.2 – and the problem was resolved.
It seems like this is a bug of Xcode 9.3, I just filed an issue to Apple yesterday. No reply has been received.
I was hitting the same issue for a week.
Since today, I change the Xcode Version back to Xcode 9.2 – and the problem was resolved.
It seems like this is a bug of Xcode 9.3, I just filed an issue to Apple yesterday. No reply has been received.