What is mean by fatal error in PHP?
<p>I'm getting the following error:</p>

<blockquote>
  <p>Fatal error: Uncaught Error: Call to undefined function var_dumb()</p>
</blockquote>

<p><img src="https://i.stack.imgur.com/qtC3Y.png" alt=""></p>

<p>What does this mean?</p>