title: drupal :Plagiarism Checker - Authentication Framework module not working
body: <p>I am new to drupal. When i enabled the module i got tabs. when i selected google tab i got this error: warning: Parameter 2 to _auth_confirm_page() expected to be a reference, value given in <code>D:\wamp\www\drupal-6.19\includes\form.inc on line 376</code>.</p>
  
  <p>plus i don't understand where i have to give the google api key.</p>
  
  <p>the module is available <a href="http://drupal.org/project/authenticate" rel="nofollow">here</a></p>