Flutter Outline View - "Nothing to show" : <p>Hi has anyone already tried the new "Flutter Outline"-View? </p>

<p>I only see "Nothing to show" what I do wrong? Has anyone an idea?</p>

<p><a href="https://i.stack.imgur.com/lMidQ.png" rel="noreferrer"><img src="https://i.stack.imgur.com/lMidQ.png" alt="enter image description here"></a></p>
