title: mysql workbench error opening EER
body: <p>I'm having a lubuntu-64bit and installed  MySQL-workbench to open the EER model. but it just doesn't open up.. </p>
  
  <p>It shows error </p>
  
  <pre><code>Error unserializing GRT data
  error unserializing object (invalid struct)
  </code></pre>
  
  <p>The same EER file opens fine in windows.. I'm new to this I need to create Database using these on this machine please help.. </p>