title: Application main has not been registered
body: <p>I have recently started to convert my react native app and running on Expo so i could test this on my actual android device. I am getting this error above. I have since then running my app using the Expo XDE. I am also running on a windows machine.</p>
  
  <p>The full error message is:</p>
  
  <p><img src="https://i.stack.imgur.com/AbxKr.png" alt="enter image description here">]<a href="https://i.stack.imgur.com/AbxKr.png" rel="noreferrer">1</a></p>
  
  <p>I figured that this has something to do with my index.js, yet here it is</p>
  
  <pre><code>import { AppRegistry } from 'react-native';
  import App from './App';
  
  AppRegistry.registerComponent('projectTARA', () =&gt; 'App');
  </code></pre>