hi guys

i have  3 classes in the library (external classes) and 1 document class called Main

and iam getting these  errors all the time i dont know why

ArgumentError: Error #1063: Argument count mismatch on tree1/onAdded(). Expected 0, got 1.

    at flash.display::DisplayObjectContainer/addChild()

    at Main()

ArgumentError: Error #1063: Argument count mismatch on tree1/onAdded(). Expected 0, got 1.

    at flash.display::DisplayObjectContainer/addChild()

    at Main()

ArgumentError: Error #1063: Argument count mismatch on tree1/onAdded(). Expected 0, got 1.

    at flash.display::DisplayObjectContainer/addChild()

    at Main()

ArgumentError: Error #1063: Argument count mismatch on tree1/onAdded(). Expected 0, got 1.

    at flash.display::DisplayObjectContainer/addChild()

    at Main()

ArgumentError: Error #1063: Argument count mismatch on tree1/onAdded(). Expected 0, got 1.

    at flash.display::DisplayObjectContainer/addChild()

    at Main()

ArgumentError: Error #1063: Argument count mismatch on tree1/onAdded(). Expected 0, got 1.

    at flash.display::DisplayObjectContainer/addChild()

    at Main()

here are the classes code (the external classes ) in the lib

MAINMAP1 class

package

{

import flash.system.System;

import flash.system.fscommand;

    import flash.display.MovieClip;

import flash.media.Sound;

    import flash.media.SoundChannel;

    import flash.events.KeyboardEvent;

    import flash.ui.Keyboard;

    import flash.events.Event;

    import flash.events.MouseEvent;

    import flash.display.Stage;

public class MAINMAP1 extends MovieClip {

    var vx:int = 0

    var vy:int = 0

  public function MAINMAP1(){

    addEventListener(Event.ADDED_TO_STAGE, onAdded)

  }

  public function onAdded (event:Event):void  {

}

}

}

tree1 class

package{

    import flash.system.System;

import flash.system.fscommand;

    import flash.display.MovieClip;

import flash.media.Sound;

    import flash.media.SoundChannel;

    import flash.events.KeyboardEvent;

    import flash.ui.Keyboard;

    import flash.events.Event;

    import flash.events.MouseEvent;

    import flash.display.Stage;

    public class tree1 extends MovieClip{

        public function tree1 (){

                addEventListener(Event.ADDED_TO_STAGE, onAdded)

        }

                public function onAdded (){

                                              addEventListener(Event.ENTER_FRAME, onEnterFrame);

                }

    public function onEnterFrame(event:Event){

        {

        }

    }

}

}

HERO class

package{

    import flash.system.System;

import flash.system.fscommand;

    import flash.display.MovieClip;

import flash.media.Sound;

    import flash.media.SoundChannel;

    import flash.events.KeyboardEvent;

    import flash.ui.Keyboard;

    import flash.events.Event;

    import flash.events.MouseEvent;

    import flash.display.Stage;

    public class HERO extends MovieClip{

    private var vx:int = 0;

        private var vy:int = 0;

        public function HERO (){

                addEventListener(Event.ADDED_TO_STAGE, onAdded)

        }

                public function onAdded (event:Event):void  {

      gotoAndStop(3)

          addEventListener(Event.ENTER_FRAME, onEnterFrame);

        stage.addEventListener(KeyboardEvent.KEY_DOWN,onKeyDown);

            stage.addEventListener(KeyboardEvent.KEY_UP,onKeyUp);

  }

    public function onEnterFrame(event:Event){

        x += vx

        y += vy

    }

    public function onKeyDown(event:KeyboardEvent){

        if (event.keyCode == Keyboard.LEFT){

            gotoAndStop(2)

            vx = -5

        }

                if (event.keyCode == Keyboard.RIGHT){

                    gotoAndStop(1)

                                vx = 5

                }

        if (event.keyCode == Keyboard.DOWN){

            vy = +5

            gotoAndStop(6)

}

if (event.keyCode == Keyboard.UP){

            vy = -5

}

    }

public function onKeyUp(event:KeyboardEvent){

            if (event.keyCode == Keyboard.LEFT ||event.keyCode == Keyboard.RIGHT ){

                vx= 0;

            }

if (event.keyCode == Keyboard.UP ||event.keyCode == Keyboard.DOWN ){

                vy= 0;

            }

    }

}

}

THE DOCUMENT CLASS (Main)

package  {

    import flash.system.System;

import flash.system.fscommand;

    import flash.display.MovieClip;

import flash.media.Sound;

    import flash.media.SoundChannel;

    import flash.events.KeyboardEvent;

    import flash.ui.Keyboard;

    import flash.events.Event;

    import flash.events.MouseEvent;

    import flash.display.Stage;

    public class Main extends MovieClip {

        var mainmap1:MAINMAP1 = new MAINMAP1;

        public function Main() {

            addChild(mainmap1);

        }

    }

}

done

the program running but there are errors in the output i couldn.t get it

help me please

thank you