title: error document.registerElement is not a function console chrome in Debugging extensions Adobe CC application HTML
body: <p>i develop extension adobe by <a href="https://www.adobe.com/devnet/creativesuite/articles/a-short-guide-to-HTML5-extensions.html" rel="nofollow noreferrer">link</a></p>
  <p>port debugging is enabled and running but in console chrome error</p>
  <pre><code>Uncaught TypeError: document.registerElement is not a function
  at Object.UI.registerCustomElement (inspector.js:2914)
  at inspector.js:2918
  at inspector.js:2921
  </code></pre>
  <p>and page not true for debugging</p>