title: Why is the error happening?
body: <p>I'm following this tutorial <a href="https://teropa.info/blog/2015/09/10/full-stack-redux-tutorial.html#the-architecture" rel="nofollow noreferrer">Full-stack Redux Tutorial</a> and everything went well till the moment I had to run a local server (Starting under the title <strong><em>"Setting Up a Socket.io Server"</em></strong>). I copied exactly what the tutorial shows and I'm getting this error when  running "npm run start"</p>
  
  <p><a href="https://i.stack.imgur.com/2qvLp.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/2qvLp.jpg" alt="enter image description here"></a></p>
  
  <p>As seen in the image, the command I'm trying to run is:</p>
  
  <pre><code>babel-node index.js
  </code></pre>
  
  <p>But the error says nothing I can catch, just that something is wrong with the command, not even with a file. </p>
  
  <p>I'm lost and Google offers little help.</p>