Flash Remoting from Flash (not Flex) via AMF3

Hello,
I'm trying to fashion a flash application with AS3 under Flash against Coldfusion 8 via the AMF3 / flex2gateway. I receive this error on invocation:

Flex] Error handling message: flex.messaging.MessageException: Unable to find source to invoke
incomingMessage: Flex Message (flex.messaging.messages.RemotingMessage)
operation = player
clientId = 3C03BA13-2808-72A6-14BB-518DC8B490D2
destination = ColdFusion
messageId =
timestamp = 1217791691176
timeToLive = 1217791691176
body = null
hdr(DSEndpoint) = my-cfamf
errorReply: Flex Message (flex.messaging.messages.ErrorMessage)
clientId = 3C03BA13-2808-72A6-14BB-518DC8B490D2
correlationId =
destination = ColdFusion
messageId = 3C03BA13-2819-D62F-90EC-E1ADD77DB354
timestamp = 1217791691176
timeToLive = 0
body = null
code = Server.Processing
message = Unable to find source to invoke
details = null
rootCause = null
body = null
extendedData = null

<code>
public function RemotingTestInit () {
init ();
}

private function init() {
rs = new RemotingService(" http://dev.tcheeky.com/flex2gateway/");
var responder:Responder = new Responder(onResult, onFault);
var params:Object = new Object();
params.arg1 = "lib";
params.arg2 = "functions";
params.arg3 = "player";
params.arg4 = "doRead";
rs.call("ColdFusion.player", responder, "doRead()");
}

private function onResult(result:Object):void {
trace (result);
trace("test1");
for each (var item in result) {
trace("test2");
trace("item: " + typeof(item) );
if(typeof(item) == "object"){
trace("test3");
trace("item: " + typeof(item) ); ///-------?????DOES NOT WORK???
// trace( obj[item].getValue() ); // BOTH DO NOT WORK???

} else if(typeof(item) == "string"){
trace(item);
}
}
}

private function onFault(fault:Object):void {
trace(fault);
trace("testfail");
for each (var item in fault) {
trace("item: " + typeof(item) );
if(typeof(item) == "object"){
trace("item: " + typeof(item) ); ///-------?????DOES NOT WORK???
//trace( object[item].getValue() ); // BOTH DO NOT WORK???

} else if(typeof(item) == "string"){
trace(item);
}
}
</code>