使用SESSION时出错，那位高人指点一二

ntdba

( ! ) Fatal error: Call to undefined method CI_Loader::libraries() in D:\workspace\hr\application\controllers\login.php on line 26
Call Stack
#	Time	Memory	Function	Location
1	0.0015	83288	{main}( )	..\index.php:0
2	0.0080	158672	require_once( 'D:\workspace\hr\system\core\CodeIgniter.php' )	..\index.php:202
3	0.0991	2430864	call_user_func_array ( )	..\CodeIgniter.php:359
4	0.0991	2430864	Login->checklogin( )	..\CodeIgniter.php:0

啥问题啊

因為愛

$this->load->library()