title: Current predicate configuration does not have any valid root items defined
body: <p>Being new to unicorn I'm facing an interesting problem.  Which raises a couple of questions. Number one is where can I review my predicate configuration?
  Number two do I need to view this predicate configuration or is there some other way to resolving my valid root item. 
  Thanks 
  <a href="https://i.stack.imgur.com/lbskN.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/lbskN.png" alt="enter image description here"></a></p>