Hayır dosyalar duruyor hocam. Hatalar şu şekilde;

11. satır hatası >> parent::__construct();

class Dashboard extends CI_Controller {

    public $viewFolder = "";
//    public $user;

    public function __construct()
    {
        parent::__construct();

        $this->viewFolder = "dashboard_v";
//        $this->user = get_active_user();

        if(!get_active_user()){
            redirect(base_url("login"));
        }

    }

317. satır hatası >> require_once BASEPATH.'core/CodeIgniter.php';

/*
 * --------------------------------------------------------------------
 * LOAD THE BOOTSTRAP FILE
 * --------------------------------------------------------------------
 *
 * And away we go...
 */
require_once BASEPATH.'core/CodeIgniter.php';