Preview on device by XCode

Hi. When I am trying to preview example app on my device by XCode I see this: https://www.dropbox.com/s/dfahupsi0863zwg/Screenshot%202016-03-06%2015.57.10.png?dl=0 and when I clicked on “Fix Issue” I saw this: https://www.dropbox.com/s/sa2izqazlb19n2l/Screenshot%202016-03-06%2015.57.56.png?dl=0

How can i fix it?