Swf Loading Error

[pradeep_sakha]

Hi,

    I am having four to five swf which need to be loaded dynamically based on user click into Main.swf.But when, I try to load a swf which as many MC in stage and also added to stage dynamically into Main.swf, It's displaying following error.

Codding:

	public function Main()
	{
		if(stage)
		{
			initStage();
		}
		else
		{
			addEventListener(Event.ADDED_TO_STAGE,initStage);
		}
	}
	//function called when stage is initialized
	private function initStage(evt:Event = null)
	{
		removeEventListener(Event.ADDED_TO_STAGE,initStage);
		initData();
	}
	private function initData()
	{
		var url:String = "DragAndDrop.swf";
		var urlReq:URLRequest = new URLRequest(url);
		loader = new Loader();
		loader.contentLoaderInfo.addEventListener(Event.COMPLETE,onLoaded)
		loader.load(urlReq);
		//this.addChild(loader);
	}
	private function onLoaded(evt:Event)
	{
		this.addChild(loader);
		//var targetSwf:MovieClip = MovieClip(loader.content);
		//trace("targetSwf="+targetSwf);
		//this.addChild(targetSwf);
	}

Error:

ReferenceError: Error #1056: Cannot create property question_mc on Main.

    at flash.display::Sprite/flash.display:Sprite::constructChildren()

    at flash.display::Sprite$iinit()

    at flash.display::MovieClip$iinit()

    at Main$iinit()

Can anyone help me out why this error is coming, I need to establish communication between all swf's..I am using CS3 suit...

[kglad]

the line of code causing that error is not shown in your message.

click file>publish settings>swf and tick 'enable debugging'.  retest.

the error message will can the timeline/class and line number of the problematic code.

[pradeep_sakha]

ReferenceError: Error #1056: Cannot create property question_mc on Main.

    at flash.display::Sprite/flash.display:Sprite::constructChildren()

    at flash.display::Sprite$iinit()

    at flash.display::MovieClip$iinit()

    at Main$iinit()

Line 15 is braces after the public function Main()----this class files Main.as belongs to the QuestionAnsAnwer.fla , in which i am trying to load all the other swf.....

[kglad]

copy and paste the first 20 lines or so of Main.as