help me!!!

error:
warning: Missing argument 1 for advuser_menu() in /home/..../modules/advuser/advuser.module on line 31.

below is the code on line 31, i also attached the entire advuser.module

code:
/**
* Implementation of hook_menu().
*/
function advuser_menu($may_cache) {
// Include filters
include_once(drupal_get_path('module','advuser').'/advuser_filters.inc');

$admin_access = user_access('administer advuser');
$access_access = user_access('access advuser');