title: Running Heroku Console does not start
body: <p>I am trying to run Heroku console, but in the console, I get the message <strong>"Running console attached to terminal"</strong> but the console doesn't start.</p>
  
  <p>In the Heroku logs, I get the error: </p>
  
  <pre><code> Error: no child processes attached.
  </code></pre>
  
  <p>Any help?</p>