Ext.dom.Element.get raise warning has error

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2. 
   
   
   

   
   

   
   

   Ext.dom.Element.get raise warning has error

   
   

   
   

   Ext.dom.Element.get raise warning has error

   
   
   
   

   
   

   Extract from: http://ift.tt/1aqgZFb
   

   
   

   Code:

   
   

   
    function warnDuplicate(id) {
                       Ext.Error.raise("DOM element with id " + id + " in Element cache is not the same as element in the DOM. " + "Make sure to clean up Element instances using destroy()");
                   }
   

   
   

   
   

   
   

   
   

   
   

   
   
   
   

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Ext.dom.Element.get raise warning has error