title: Codeigniter - Cannot modify header information - headers already sent by
body: <pre><code>A PHP Error was encountered
  Severity: Warning
  
  Message: Cannot modify header information - headers already sent by (output started at /home/aphotel/public_html/application/config/config.php:1)
  
  Filename: libraries/Session.php
  
  Line Number: 366
  </code></pre>
  
  #
  
  <p>Weird part of it, there is no session.php file in libraries folder</p>