App installation failed on iPhone 6 device in Xcode 6

Question

I have all of the provisional profiles ready on the devices and it's added to the developer portal.However when I tried to run the app from xcode 6 into my new iphone 6 with iOS 8 on it, it throws me this error.

any ideas how to fix it? all of my provisioning profiles are valid and active. the code signing identity is correct.

when i tried to run on another ipad with iOS 8, it throws me this error:

Answer 1

seems like setting provisional profile as automatic will do the trick instead of the app store or Ad hoc profile