Document class error

1

Hey Guys,
Im getting this error:
1180C:\as3_scrollbar\AS3 Scrollbar\src\classes\Main.as, Line 1 1180: Call to a possibly undefined method addFrameScript.
the actionscript in my .fla timeline is:

_scrollBar = new FullScreenScrollBar(_content, 0x222222, 0xff4400, 0x05b59a, 0xffffff, 15, 15, 4, true);
addChild(_scrollBar)

my Main.as is:

package
{
import flash.display.*;
import flash.text.*;
import flash.events.*;
import gs.TweenLite;
import org.libspark.ui.SWFWheel;
import com.warmforestflash.ui.FullScreenScrollBar;

public class Main extends Sprite
{ 
private var _addCopyButton:Sprite;
private var _paragraph:Sprite;
private var _paragraphTextField:TextField;
private var _copy:String;
private var _scrollBar:FullScreenScrollBar;

//============================================================================================================================
public function Main()
//============================================================================================================================
{
addEventListener(Event.ADDED_TO_STAGE, onAddedToStage, false, 0, true);
}

//============================================================================================================================
private function init():void
//============================================================================================================================
{
SWFWheel.initialize(stage);
_copy = "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque quam leo semper non sollicitudin in eleifend sit amet diam. "; 

_addCopyButton = createAddCopyButton();
_addCopyButton.x = 30;
_addCopyButton.y = 30;
addChild(_addCopyButton);

_paragraph = createParagraph();
_paragraph.x = 110;
_paragraph.y = 29;
addChild(_paragraph);

for(var i:int = 0; i < 20; i++)
{
_paragraphTextField.htmlText += _copy;
}

//************************************
// Scrollbar code
// Arguments: Content to scroll, track color, grabber color, grabber press color, grip color, track thickness, grabber thickness, ease amount, whether grabber is "shiny"
//************************************
_scrollBar = new FullScreenScrollBar(_paragraph, 0x000000, 0xff4400, 0x05b59a, 0xffffff, 15, 15, 4, true);
addChild(_scrollBar);
}

//============================================================================================================================
private function onAddedToStage(e:Event):void
//============================================================================================================================
{
init();
removeEventListener(Event.ADDED_TO_STAGE, onAddedToStage);
}

//============================================================================================================================
private function createAddCopyButton():Sprite
//============================================================================================================================
{
var s:Sprite = new Sprite();
var font:Font = new Helvetica();
var tf:TextFormat = new TextFormat();
tf.font = font.fontName;
tf.size = 11;
tf.color = 0xffffff;
var t:TextField = new TextField();
t.autoSize = TextFieldAutoSize.LEFT;
t.defaultTextFormat = tf;
t.embedFonts = true;
t.selectable = false;
t.antiAliasType = AntiAliasType.ADVANCED;
t.text = "Add Copy";
t.x = 2;
t.y = 3;

var bg:Sprite = new Sprite();
bg.graphics.beginFill(0xff4400);
bg.graphics.drawRect(0, 0, 56, 18);
bg.graphics.endFill();
bg.name = "bg";

s.buttonMode = true;
s.mouseChildren = false;
s.addEventListener(MouseEvent.CLICK, onAddCopyClick, false, 0, true);
s.addEventListener(MouseEvent.ROLL_OVER, onAddCopyButtonRollOver, false, 0, true);
s.addEventListener(MouseEvent.ROLL_OUT, onAddCopyButtonRollOut, false, 0, true);
s.addChild(bg);
s.addChild(t);
return s;
}

//============================================================================================================================
private function createParagraph():Sprite
//============================================================================================================================
{
var s:Sprite = new Sprite();
var font:Font = new Helvetica();
var tf:TextFormat = new TextFormat();
tf.font = font.fontName;
tf.size = 12;
tf.color = 0xffffff;
tf.leading = 4;
_paragraphTextField = new TextField();
_paragraphTextField.width = 440;
_paragraphTextField.autoSize = TextFieldAutoSize.LEFT;
_paragraphTextField.wordWrap = true;
_paragraphTextField.defaultTextFormat = tf;
_paragraphTextField.antiAliasType = AntiAliasType.ADVANCED;
_paragraphTextField.embedFonts = true;
_paragraphTextField.selectable = false;
s.addChild(_paragraphTextField);
return s;
}

//============================================================================================================================
private function onAddCopyClick(e:MouseEvent):void
//============================================================================================================================
{
_paragraphTextField.htmlText += _copy;
_scrollBar.adjustSize();
}

//============================================================================================================================
private function onAddCopyButtonRollOver(e:MouseEvent):void
//============================================================================================================================
{
TweenLite.to(e.target.getChildByName("bg"), 0.5, {tint:0x05b59a});
}

//============================================================================================================================
private function onAddCopyButtonRollOut(e:MouseEvent):void
//============================================================================================================================
{
TweenLite.to(e.target.getChildByName("bg"), 0.5, {tint:null});
}

}
}

　
　
Any ideas on why Im getting this error guys? I’ve been reading tons of posts and cant see to figure this out!