title: Trying to fix Fatal error: Class 'Raveinfosys_Exporter_Helper_Data' not found in ..\app\Mage.php
body: <pre><code>Fatal error: Class 'Raveinfosys_Exporter_Helper_Data' not found in ..\app\Mage.php on line 546.
  </code></pre>
  
  <p>I have installed new new extension Bulk Import+Export Orders to CSV in Magento 1.7, but I am getting above fatal error in admin. Any help is appreciated.</p>