PackagingResults:Error: Error Failed to Code Sign

curtis_ue4_packagin+error.pdf

Having problems getting to test my game test on my iPhone. Tried using packaging instead and keep hititng this error.

Have attached the log.

Many Thanks,

Curtis

UE4 - 4.15
Mac Sierra - iOS

Anyone able to help?
Thanks.

I have the same problem even though I use an empty level.