Missing argument 4 for emp_order_observer::update()

[jimmie]

ok its been a couple of days since i changed over to a newer computer (Hosting my own site using ispconfig3) and i am getting a couple of errors
1. [08-Dec-2015 09:05:24 America/New_York] PHP Warning: Missing argument 4 for emp_order_observer::update(), called in /var/www/clients/client1/web5/web/includes/classes/class.base.php on line 58 and defined in /var/www/clients/client1/web5/web/includes/classes/observers/class.emp_order_observer.php on line 30
[08-Dec-2015 09:05:24 America/New_York] PHP Warning: Missing argument 5 for emp_order_observer::update(), called in /var/www/clients/client1/web5/web/includes/classes/class.base.php on line 58 and defined in /var/www/clients/client1/web5/web/includes/classes/observers/class.emp_order_observer.php on line 30

here is line 30 of class_base.php
*/
function attach(&$observer, $eventIDArray) {
foreach($eventIDArray as $eventID) {
$nameHash = md5(get_class($observer).$eventID);
base::setStaticObserver($nameHash, array('obs'=>&$observer, 'eventID'=>$eventID));
}
}
/**