title: "500 - An error has occurred" in Joomla, when attemping to login in backend
body: <p>When I attemp to login in the backend using the right login of the Super User i get an error page "500 - An error has occurred."</p>
  
  <p>I have changed the Super User password by PhpMyAdmin and the error remains.</p>
  
  <p>I have installed Joomla 2.5 installed.</p>