App Preview iOS

I’m just trying to run the simeltaneous preview on my iPhone 6, and for some reason xCode keeps giving me these errors:



Have any thoughts?

Here’s my xCode version:

file has already been taken by another developer. So, you can change your identifier by going to project settings in xcode, then general. And there should be a “Bundle Identifier” that you can change.

You’re the man! Thanks Lucas!