Video Player ArgumentError: Error #2126

have an ERROR message is

ArgumentError: Error #2126: NetConnection object must be connected.
	at flash.net::NetStream/ctor()
	at flash.net::NetStream()
	at videoplayer1_fla::MainTimeline/initVideoPlayer()
	at videoplayer1_fla::MainTimeline/frame1()

[COLOR=“red”]**Below code is xml playlist included. i put some changes. but no use.
i want to play videos through “rtmp host”.

can you say me where to put the rtmp server path?**[/COLOR]

My On-demand Video Player Code

// #### VARIABLES
flash code
-----------
 
// net connection object for net stream
var ncConnection:NetConnection;
// net stream object
var nsStream:NetStream;
// object holds all meta data
var objInfo:Object;
// shared object holding the player settings (currently only the volume)
var shoVideoPlayerSettings:SharedObject = SharedObject.getLocal("playerSettings");
// url to flv file
var strSource:String                    = root.loaderInfo.parameters.playlist == null ? "playlist.xml" : root.loaderInfo.parameters.playlist;
// timer for updating player (progress, volume...)
var tmrDisplay:Timer;
// loads the xml file
var urlLoader:URLLoader;
// holds the request for the loader
var urlRequest:URLRequest;
// playlist xml
var xmlPlaylist:XML;


// ############# FUNCTIONS

// sets up the player
function initVideoPlayer():void {
    // hide video controls on initialisation
    mcVideoControls.visible = false;
    
    // hide buttons
    mcVideoControls.btnUnmute.visible         = false;
    mcVideoControls.btnPause.visible            = false;
    mcVideoControls.btnFullscreenOff.visible    = false;
    
    // set the progress/preload fill width to 1
    mcVideoControls.mcProgressFill.mcFillRed.width  = 1;
    mcVideoControls.mcProgressFill.mcFillGrey.width = 1;
    
    // set time and duration label
    mcVideoControls.lblTimeDuration.htmlText        = "<font color='#ffffff'>00:00</font> / 00:00";
    
    // add global event listener when mouse is released
    stage.addEventListener(MouseEvent.MOUSE_UP, mouseReleased);
    
    // add fullscreen listener
    stage.addEventListener(FullScreenEvent.FULL_SCREEN, onFullscreen);
        
    // add event listeners to all buttons
    mcVideoControls.btnPause.addEventListener(MouseEvent.CLICK, pauseClicked);
    mcVideoControls.btnPlay.addEventListener(MouseEvent.CLICK, playClicked);
    mcVideoControls.btnStop.addEventListener(MouseEvent.CLICK, stopClicked);
    mcVideoControls.btnMute.addEventListener(MouseEvent.CLICK, muteClicked);
    mcVideoControls.btnUnmute.addEventListener(MouseEvent.CLICK, unmuteClicked);
    mcVideoControls.btnFullscreenOn.addEventListener(MouseEvent.CLICK, fullscreenOnClicked);
    mcVideoControls.btnFullscreenOff.addEventListener(MouseEvent.CLICK, fullscreenOffClicked);
            
    mcVideoControls.btnVolumeBar.addEventListener(MouseEvent.MOUSE_DOWN, volumeScrubberClicked);
    mcVideoControls.mcVolumeScrubber.btnVolumeScrubber.addEventListener(MouseEvent.MOUSE_DOWN, volumeScrubberClicked);
    mcVideoControls.btnProgressBar.addEventListener(MouseEvent.MOUSE_DOWN, progressScrubberClicked);
    mcVideoControls.mcProgressScrubber.btnProgressScrubber.addEventListener(MouseEvent.MOUSE_DOWN, progressScrubberClicked);

    mcVideoControls.mcVideoDescription.btnDescription.addEventListener(MouseEvent.MOUSE_OVER, startDescriptionScroll);
    mcVideoControls.mcVideoDescription.btnDescription.addEventListener(MouseEvent.MOUSE_OUT, stopDescriptionScroll);
    
    // create timer for updating all visual parts of player and add
    // event listener
    tmrDisplay = new Timer(DISPLAY_TIMER_UPDATE_DELAY);
    tmrDisplay.addEventListener(TimerEvent.TIMER, updateDisplay);
    
    // create a new net connection, add event listener and connect
    // to null because we don't have a media server
    ncConnection = new NetConnection();
    ncConnection.addEventListener(NetStatusEvent.NET_STATUS, netStatusHandler);
    ncConnection.connect("rtmp://somehost.com/myfolder");
    
    // create a new netstream with the net connection, add event
    // listener, set client to this for handling meta data and
    // set the buffer time to the value from the constant
    nsStream = new NetStream(ncConnection);
    nsStream.addEventListener(NetStatusEvent.NET_STATUS, netStatusHandler);
    nsStream.client = this;
    nsStream.bufferTime = BUFFER_TIME;
    
    // attach net stream to video object on the stage
    vidDisplay.attachNetStream(nsStream);
    // set the smoothing value from the constant
    vidDisplay.smoothing = SMOOTHING;
    
    // set default volume and get volume from shared object if available
    var tmpVolume:Number = DEFAULT_VOLUME;
    if(shoVideoPlayerSettings.data.playerVolume != undefined) {
        tmpVolume = shoVideoPlayerSettings.data.playerVolume;
        intLastVolume = tmpVolume;
    }
    // update volume bar and set volume
    mcVideoControls.mcVolumeScrubber.x = (53 * tmpVolume) + 318;
    mcVideoControls.mcVolumeFill.mcFillRed.width = mcVideoControls.mcVolumeScrubber.x - 371 + 53;
    setVolume(tmpVolume);
    
    // create new request for loading the playlist xml, add an event listener
    // and load it
    urlRequest = new URLRequest(strSource);
    urlLoader = new URLLoader();
    urlLoader.addEventListener(Event.COMPLETE, playlistLoaded);
    urlLoader.load(urlRequest);
}
function playClicked(e:MouseEvent):void {
    // check's, if the flv has already begun
    // to download. if so, resume playback, else
    // load the file
    if(!bolLoaded) {
        nsStream.play(strSource);
        bolLoaded = true;
    }
    else{
        nsStream.resume();
    }
    
    vidDisplay.visible = true;
    
    // switch play/pause visibility
    mcVideoControls.btnPause.visible    = true;
    mcVideoControls.btnPlay.visible  = false;
}


nsStream.seek(Math.round(mcVideoControls.mcProgressScrubber.x * objInfo.duration / 472))
    else
        mcVideoControls.mcProgressScrubber.x = nsStream.time * 472 / objInfo.duration; 
    
    // set time and duration label
    mcVideoControls.lblTimeDuration.htmlText        = "<font color='#ffffff'>" + formatTime(nsStream.time) + "</font> / " + formatTime(objInfo.duration);
    
    // update the width from the progress bar. the grey one displays
    // the loading progress
    mcVideoControls.mcProgressFill.mcFillRed.width  = mcVideoControls.mcProgressScrubber.x + 5;
    mcVideoControls.mcProgressFill.mcFillGrey.width = nsStream.bytesLoaded * 478 / nsStream.bytesTotal;
    
function onMetaData(info:Object):void {
    // stores meta data in a object
    objInfo = info;
    
    // now we can start the timer because
    // we have all the neccesary data
    if(!tmrDisplay.running)
        tmrDisplay.start();
}

function netStatusHandler(event:NetStatusEvent):void {
    // handles net status events
    switch (event.info.code) {
        // trace a messeage when the stream is not found
        case "NetStream.Play.StreamNotFound":
            trace("Stream not found: " + strSource);
        break;
        // when the video reaches its end, we check if there are
        // more video left or stop the player
        case "NetStream.Play.Stop":
            if(intActiveVid + 1 < xmlPlaylist..vid.length())
                playNext();
            else
                stopVideoPlayer();
        break;
    }
}

function stopVideoPlayer():void {
    // pause netstream, set time position to zero
    nsStream.pause();
    nsStream.seek(0);
    
    // in order to clear the display, we need to
    // set the visibility to false since the clear
    // function has a bug
    vidDisplay.visible          = false;
    
    // switch play/pause button visibility
    mcVideoControls.btnPause.visible    = false;
    mcVideoControls.btnPlay.visible  = true;
}

function setVolume(intVolume:Number = 0):void {
    // create soundtransform object with the volume from
    // the parameter
    var sndTransform        = new SoundTransform(intVolume);
    // assign object to netstream sound transform object
    nsStream.soundTransform = sndTransform;
    
    // hides/shows mute and unmute button according to the
    // volume
    if(intVolume > 0) {

        mcVideoControls.btnMute.visible  = true;
        mcVideoControls.btnUnmute.visible   = false;
    } else {
        mcVideoControls.btnMute.visible  = false;
        mcVideoControls.btnUnmute.visible   = true;
    }
    
    // store the volume in the flash cookie
    shoVideoPlayerSettings.data.playerVolume = intVolume;
    shoVideoPlayerSettings.flush();
}

function formatTime(t:int):String {
    // returns the minutes and seconds with leading zeros
    // for example: 70 returns 01:10
    var s:int = Math.round(t);
    var m:int = 0;
    if (s > 0) {
        while (s > 59) {
            m++; s -= 60;
        }
        return String((m < 10 ? "0" : "") + m + ":" + (s < 10 ? "0" : "") + s);
    } else {
        return "00:00";
    }
}


function playlistLoaded(e:Event):void {
    // create new xml with loaded data from loader
    xmlPlaylist = new XML(urlLoader.data);
    
    // set source of the first video but don't play it
    playVid(0, false)
    
    // show controls
    mcVideoControls.visible = true;
}

function playVid(intVid:int = 0, bolPlay = true):void {
    if(bolPlay) {
        // stop timer
        tmrDisplay.stop();
        
        // play requested video
        nsStream.play("myvideo.flv");
        
        // switch button visibility
        mcVideoControls.btnPause.visible    = true;
        mcVideoControls.btnPlay.visible  = false;
    } else {
        strSource = xmlPlaylist..vid[intVid].@src;
    }
    
    // show video display
/*  vidDisplay.visible                    = true;
    
    // reset description label position and assign new description
    mcVideoControls.mcVideoDescription.lblDescription.x = 0;
    mcVideoControls.mcVideoDescription.lblDescription.htmlText = (intVid + 1) + ". <font color='#ffffff'>" + String(xmlPlaylist..vid[intVid].@desc) + "</font>";*/
    
    // update active video number
    intActiveVid = intVid;
}

// ###############################
initVideoPlayer();

[COLOR=“red”]I am as3 beginner.
can you tell me where to put the rtmp server path? and changes.
[/COLOR]