Error Domain=GKErrorDomain Code=27 "The requested operation could not be completed because you are not signed in to iCloud" UserInfo=0x1889f160 {NSLocalizedDescription=The requested operation could not be completed because you are not signed in to iCloud}
I'm testing it on my iPhone (iOS 12.11) logged to Game Center, to iCloud, I've got iCloud Drive turned on, but saving doesn't work. I even set up a new test account, but with the same result.what can I do?