Model problem

[eluser]shinokada[/eluser]
My controller is this.

Code:

class Menus extends Controller {
  function Menus(){
    parent::Controller();
    session_start();
    
    if (!isset($_SESSION['userid']) || $_SESSION['userid'] < 1){
        redirect('welcome/verify','refresh');
    }
  }
  

  function index(){
    $data['title'] = "Manage Menus";
    $data['main'] = 'admin_menu_home';
        $tree = array();
        $parentid = 0;
    $this->MMenus->generateTree($tree,$parentid);
        $data['navlist'] = $tree;
    $this->load->vars($data);
    $this->load->view('dashboard');
    
  }

...
...

I changed it as Jondolar suggested. However it still gives errors.

Suggestions will be appreciated.