React-Native Error: Connection to http://localhost:8081/debugger-proxy?role=client timed out
<p>I run <code>react-native run-ios</code> command and my app show for 3 secs before showing this. I am running on ios simulator</p>

<p><a href="https://i.stack.imgur.com/VVWq9.png"><img src="https://i.stack.imgur.com/VVWq9.png" alt="enter image description here"></a></p>

<blockquote>
  <p>ExceptionsManager.js:76 Connection to
  <a href="http://localhost:8081/debugger-proxy?role=client">http://localhost:8081/debugger-proxy?role=client</a> timed out. Are you
  running node proxy? If you are running on the device, check if you
  have the right IP address in <code>RCTWebSocketExecutor.m</code>.</p>
</blockquote>