Security library Loading Error

[eluser]Eng.Faruk[/eluser]

Code:

class NewPassport extends Controller {

public $security = '';
function NewPass()
{
  parent::Controller();
    

  $this->load->library('security');
  $this->load->helper('security');
  
  $this->load->helper('url');
  $this->load->helper('form');
        $this->load->library('session');    
        $this->load->model('cms_model','cms', TRUE);
  $this->load->library('form_validation');
  

}