title: 'Found the synthetic property @panelState. Please include either "BrowserAnimationsModule" or "NoopAnimationsModule" in your application.'
body: <p>I upgraded an Angular 4 project using angular-seed and now get the error</p>
  
  <blockquote>
    <p>Found the synthetic property @panelState. Please include either "BrowserAnimationsModule" or "NoopAnimationsModule" in your application.</p>
  </blockquote>
  
  <p><a href="https://i.stack.imgur.com/Pddv7.png" rel="noreferrer"><img src="https://i.stack.imgur.com/Pddv7.png" alt="Screenshot of error"></a></p>
  
  <p>How can I fix this? What exactly is the error message telling me? </p>