Your app has entered a break state, but there is no code to show because all threads were executing external code (typically system or framework code) : <p>Visual Studio 2017 breaks in debug mode and displays the message:</p>

<blockquote>
  <p>Your app has entered a break state, but there is no code to show
  because all threads were executing external code (typically system or
  framework code).</p>
</blockquote>

<p>The message is in the <code>Break Mode Window</code>.</p>

<p>What to do?</p>
