title: DHTMLX - ReferenceError: dhtmlXCellObject is not defined
body: <p>While upgrading dhtmlx to 4.1.3 pro, I am getting following error while loading dhtmlx js file in my document:</p>
  
  <blockquote>
    <p>ReferenceError: dhtmlXCellObject is not defined in dhtmlxtabbar.js(line 1204)</p>
  </blockquote>
  
  <p>Please do help if any one have got the same.</p>