title: Warning: There is no class model available for code generation in Visual Paradigm
body: <p>I'm dealing with a problem in my <code>Visual Paradigm project</code>. I created some <code>Java sources</code> and I did instant <code>Reverse</code> with them. Then I dragged the model elements of the classes to the Class diagram. I modified the class diagram adding some operations to these classes and I tried to update the code. </p>
  
  <p>But I got the warning </p>
  
  <pre><code>"There is no class model available for code generation" 
  </code></pre>
  
  <p>and the <code>Java sources</code> have not been updated with the new operations.</p>
  
  <p>Could someone help me with this error?</p>