title: Not able to clear the goJS Diagram
body: <p>I am showing an ER Diagram in a canvas with the help of goJS. What I want is to redraw the diagram based on the tables selected from the dropdown.</p>
  
  <p>The new ER Diagram is getting drawn but I am not able to clear the old diagram.</p>
  
  <p>I am getting the following error:</p>
  
  <p>Invalid div id; div already has a Diagram associated with it.</p>
  
  <p>What should I do in that case?</p>