не знаю что за ошибка, у меня всё выводится

Код AS3:
package
{
import flash.display.Sprite;
import flash.events.Event;
import flash.net.URLLoader;
import flash.net.URLRequest;
/**
* ...
* @author
*/
[Frame(factoryClass="Preloader")]
public class Main extends Sprite
{
public function Main():void
{
if (stage) init();
else addEventListener(Event.ADDED_TO_STAGE, init);
}
private function init(e:Event = null):void
{
removeEventListener(Event.ADDED_TO_STAGE, init);
// entry point
_loader = new URLLoader(new URLRequest("http://www.oreillynet.com/pub/feed/29"));
_loader.addEventListener(Event.COMPLETE, onLoadComplete);
}
private var _loader:URLLoader;
private function onLoadComplete(event:Event):void
{
var xml:XML = new XML(_loader.data);
var ATOM:Namespace = new Namespace("http://www.w3.org/2005/Atom");
default xml namespace = ATOM;
for each (var entry:XML in xml.entry)
{
trace("title=" + entry.title);
}
}
}
}