Have you checked this file?
UATHelper: Packaging (Windows (64-bit)): (see C:\Users\miriam\AppData\Roaming\Unreal Engine\AutomationTool\Logs\d+Program+Files+Epic+Games+UE_4.19\UAT_Log.txt for full exception trace)
sometimes there is additional info.
And you cooking for apfel:
LogTemp: IPP ERROR: Could not find provision directory ‘C:\Users\miriam\AppData\Local/Apple Computer/MobileDevice/Provisioning Profiles/’.
Make your provisions!