title: Getting error whenever I try to get value of combobox
body: <p>I am trying to display the value of a combobox in a dynamic text output. It works on the first keyframe using myCombobox.value,  but moving to the next keyframe using gotoAndStop(2) and trying to do the same thing </p>
  
  <pre><code>myTextField.text = String(myOtherCombobox.value);
  </code></pre>
  
  <p>I get the error</p>
  
  <pre><code>TypeError: Error #1009: Cannot access a property or method of a null object reference.
  </code></pre>
  
  <p>This happens on other keyframes too, and I am not sure what the problem is.</p>