error: WatchKit apps must have a deployment target equal to iOS 8.2 (was 8.3)

Question

I just updated my project from 8.2. to 8.3 (using the latest xCode Version 6.3 6D570). Now i get this error

error: WatchKit apps must have a deploymen

Answer 1

Build successful. I just changed the iOS Deployment Target of the Watch App Target to 8.2.

Why is that?