Script error during SCORM 3rd Edition package

Timestamp: Wed 20 Feb 2013 09:04:10
Error: TypeError: Y.YUI2 is undefined
Source File: http://moodle.ljcreate.co.uk/mod/scorm/loaddatamodel.php?a=561&scoid=5556&currentorg=&attempt=1
Line: 337

Context:
// trigger TOC update
var sURL = “http://moodle.ljcreate.co.uk” + "/mod/scorm/prereqs.php?a=561&scoid=5556&attempt=1&mode=&currentorg=&sesskey=Y0COdBqKfa”;
var callback = M.mod_scorm.connectPrereqCallback;
YUI().use(‘yui2-connection’, function(Y)

{ Y.YUI2.util.Connect.asyncRequest(‘GET’, sURL, callback, null); }

);

This description cloned from MDL-38131, but I found this problem effects SCORM 1.2 too.