title: ERROR TypeError: Cannot read property '3' of null
body: <p>I am using owlCarousel with angular 9 to show video. When it load return error <code>Cannot read property '3' of null</code>.</p>
  <p>Here my html page for load OwlCarousel</p>
  <pre><code>&lt;div class=&quot;owl-carousel owl-theme&quot;&gt;
    &lt;div class=&quot;item-video&quot; data-merge=&quot;1&quot;&gt;
      &lt;a class=&quot;owl-video&quot; href=&quot;{{data.imageUrl}}&quot;&gt;&lt;/a&gt;
    &lt;/div&gt;
  &lt;/div&gt;
  </code></pre>
  <p>typescript file:</p>
  <pre><code>ngOnInit(): void {
   $(document).ready(function(){
       $('.owl-carousel').owlCarousel({
         nav:true,
         items:1,
         autoWidth: true,
         video:true
       })
     });
   }
  </code></pre>
  <p><a href="https://i.stack.imgur.com/FJWmt.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/FJWmt.png" alt="enter image description here" /></a></p>
  <p>I'd be grateful for some help.</p>