I've been struggling with this for a while now trying to add my Apple Developer account to Xamarin Studio on Mac by using fastlane.
No matter what I do I always get this:
I've been generating multiple app-specific passwords and used those accordingly, but still get the same error. I have used app-specific passwords before without any problems, but in Xamarin Studio it keeps giving me headache with this repeating error.
Does anyone have a solution to this?