After adding WatchKit Target files turn red

Question

I started a new project in xCode 6.3 , then I selected File > New > Target > AppleWatch , and after the confirmation dialog I got the following:
Why is this happening?

UPDATE:
When I clicked on the project, he gave me this message:

Answer 1

I allow it, first select the WatchKit Extension folder in the file inspector, click the folder icon in the lower right, then select the desired folder in the window that appears.

Finally, do the same in the WatchKit App folder :)