Numeric Stepper issues

Hello Kirupa geniuses,

I am inside a for loop and need to add an event listener to a numeric stepper. I get this error

TypeError: Error #1034: Type Coercion failed: cannot convert flash.events::Event@1e8578e1 to flash.events.MouseEvent.
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at fl.controls::NumericStepper/setValue()
at fl.controls::NumericStepper/stepperPressHandler()
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at fl.controls::BaseButton/startPress()
at fl.controls::BaseButton/mouseEventHandler()

Code looks like this.

for(var i:int=0; i < windowTypeArray.length;i++){
  var windowDescPane:MovieClip = new MovieClip(); 
  windowDescPane.name = ("windowDescMC")+*;
  windowDescPane.graphics.beginFill(0xCCCCCC);
  windowDescPane.graphics.lineStyle(2,999999);
  windowDescPane.graphics.drawRoundRect(calcPaneSP.x+5,descPaneY,calcPaneSP.width-23, 70,10);
  boxy.addChild(windowDescPane);
  //trace (windowDescPane.name);
 
  //Add label for window
  var descPaneLabel:Label = new Label()
  descPaneLabel.x=windowDescPane.x+60;
  descPaneLabel.y=descPaneY+5;
  descPaneLabel.setSize(180,20);
  descPaneLabel.text=windowTypeArray*;
  descPaneLabel.setStyle("textFormat", fieldButtonFormat);
  windowDescPane.addChild(descPaneLabel);
 
 
  //Add picture of window in url loader
  var windowPic:UILoader = new UILoader();
  windowPic.x= windowDescPane.x+10;
  windowPic.y= descPaneY;
  windowPic.setSize(40,40);
  windowPic.source = "Window art/slider.png";
  windowDescPane.addChild(windowPic);
 
 
  // Split incoming string
  var modelAndTypeArray:Array = windowTypeArray*.split(" ");
  var calcTotalXML:XML = <data model={modelAndTypeArray[0]} type={modelAndTypeArray[1] + " " + modelAndTypeArray[2]}/>;
  //Write to XML for book switch
  //trace(calcTotalXML.toXMLString());
 
 
  // Add Qty box
  var qtyBox:NumericStepper = new NumericStepper();
  qtyBox.x= windowDescPane.x+275;
  qtyBox.y= descPaneY+5;
  qtyBox.setSize(45,20);
  qtyBox.maximum=99;
 
  //This is the issue spot
  qtyBox.addEventListener(Event.CHANGE, calcTotal);
  windowDescPane.addChild(qtyBox);
  var qtyLabel:Label = new Label();
  qtyLabel.move(qtyBox.x-30, qtyBox.y-2);
  qtyLabel.text="Qty";
  qtyLabel.setSize(30,25);
  qtyLabel.setStyle("textFormat", fieldButtonFormat);
  windowDescPane.addChild(qtyLabel);
  //qtyBox.addEventListener(Event.CHANGE, calcTotal);
 
 
  //Add priceBox 
 
  var priceBox:TextInput = new TextInput();
  priceBox.x=qtyBox.x+100;
  priceBox.y= qtyBox.y;
  priceBox.setSize(45,20);
  //trace(selectedType);
  var modelPrice:Number = jwPremXML.type.(@title==selectedType).style.(@title==modelAndTypeArray[1]+ " "+ modelAndTypeArray[2]).window.(model==modelAndTypeArray[0]).base;
  priceBox.text=" $"+modelPrice;
  windowDescPane.addChild(priceBox);
  var priceBoxLabel:Label = new Label();
  priceBoxLabel.move(qtyBox.x+57, qtyBox.y-2);
  priceBoxLabel.text="Price";
  priceBoxLabel.setSize(50,25);
  priceBoxLabel.setStyle("textFormat", fieldButtonFormat);
  windowDescPane.addChild(priceBoxLabel);
 
 
  //Add extBox
 
  var extBox:TextInput = new TextInput();
  trace (qtyBox.value);
  var extTotal:Number = new Number(qtyBox.value*modelPrice);
  extBox.x=qtyBox.x+185;
  extBox.y= qtyBox.y;
  extBox.setSize(65,20);
  extBox.text="$"+ extTotal;
  extBox.editable = false;
  //trace(modelAndTypeArray[0]);
  //trace(modelAndTypeArray[1]+ " "+ modelAndTypeArray[2]);
  windowDescPane.addChild(extBox);
  var extBoxLabel:Label = new Label();
  extBoxLabel.move(qtyBox.x+155, qtyBox.y-2);
  extBoxLabel.text="Ext";
  extBoxLabel.setSize(50,25);
  extBoxLabel.setStyle("textFormat", fieldButtonFormat);
  windowDescPane.addChild(extBoxLabel); 
 
 
 
 
  //Add to Y for next windowDescPane
  descPaneY=descPaneY+75;
 }

I need it to update the price and ext based on the quantity. I can include the fla and xml if you need to look further.

I could use some long term help on this project if someone had some extra time. I am way over my head here.

thanks

Jason