title: Uncaught TypeError: Cannot read property 'model' of undefined in builder.js
body: <p>Please help me regarding this error </p>
  
  <pre><code>Uncaught TypeError: Cannot read property 'model' of undefined" in Builder.js.
  </code></pre>
  
  <p>I'm using Extra theme from Elegant and I just updated my <code>Wordpress</code> to <code>Version 4.5</code>. When I tried to delete some sections in <code>Divi Builder</code> I got this error.</p>
  
  <p>I don't know how to fix this. <a href="http://i.stack.imgur.com/D6l49.png" rel="noreferrer">Uncaugth Error Elegant Theme</a> </p>