I've tried everything, please help.

Error...

Error: Error #2101: The String passed to URLVariables.decode() must be a URL-encoded query string containing name/value pairs.
at Error$/throwError()
at flash.net::URLVariables/decode()
at flash.net::URLVariables()
at flash.net::URLLoader/onComplete()


Flash...

stop();

var DepartVars:URLVariables = new URLVariables();

var DepartURL:URLRequest = new URLRequest("scripts/www.myglobalpnr.com/depart.php");
DepartURL.method = URLRequestMethod.POST;
DepartURL.data = DepartVars;

var DepartLoader:URLLoader = new URLLoader;
DepartLoader.dataFormat = URLLoaderDataFormat.VARIABLES;

DepartLoader.addEventListener(Event.COMPLETE, completeDepart);
depart_btn.addEventListener(MouseEvent.CLICK, DepartUser);

// Function to run when the Depart button is pressed
function DepartUser (event:MouseEvent):void{

// Ready the variables here for sending to PHP
DepartVars.post_code = "Depart";

// Send the data to the php file
DepartLoader.load(DepartURL);

welcome_txt.text = "Processing request...Bon Voyage";


} // Close DepartUser function ///////////////////////////////////////

// Function for when the PHP file talks back to flash
function completedepart(event:Event):void{

if (event.target.data.replyMsg == "success") {

var refreshPage:URLRequest = new URLRequest("javascript:NewWindow=window.location.reload(); NewWindow.focus(); void(0);");
navigateToURL(refreshPage, "_self");

} // Close completeDepart function //////////////////////////////

// Code for the View res Button
var viewRes:URLRequest = new URLRequest("view_res.php");
viewRES_btn.addEventListener(MouseEvent.CLICK, viewResClick);

function viewResClick(event:MouseEvent):void {
navigateToURL(viewRes, "_self");
}

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Code for the Edit Res profile Button
var editRes:URLRequest = new URLRequest("edit_res.php");
editRES_btn.addEventListener(MouseEvent.CLICK, editResClick);

function editResClick(event:MouseEvent):void {
navigateToURL(editRes, "_self");
}
}