Question 'callback is not a function' in send()

[tony]

Hello. Sending a trade offer from bot is the last part before my site is ready but I can't get it work.

var newOffer = manager.createOffer("https://steamcommunity.com/tradeoffer/new/?partner=240789497&token=ORC28YoI");
newOffer.addMyItems(currentGame);

newOffer.send("You just won a bet", function(err, status) {
    console.log(newOffer);
    if(pending > 0) {
        handleOffers();
    }
});

C:\xampp\htdocs\js\node_modules\steam-tradeoffer-manager\lib\helpers.js:29
                        callback(error);
                        ^


TypeError: callback is not a function
    at Object.exports.makeAnError (C:\xampp\htdocs\js\node_modules\steam-tradeoffer-manager\lib\helpers.js:29:4)
    at SteamCommunity.manager._community.httpRequestPost (C:\xampp\htdocs\js\node_modules\steam-tradeoffer-manager\lib\classes\TradeOffer.js:507:12)
    at Request._callback (C:\xampp\htdocs\js\node_modules\steamcommunity\components\http.js:67:15)
    at Request.self.callback (C:\xampp\htdocs\js\node_modules\request\request.js:186:22)
    at emitTwo (events.js:106:13)
    at Request.emit (events.js:191:7)
    at Request.<anonymous> (C:\xampp\htdocs\js\node_modules\request\request.js:1081:10)
    at emitOne (events.js:96:13)
    at Request.emit (events.js:188:7)
    at IncomingMessage.<anonymous> (C:\xampp\htdocs\js\node_modules\request\request.js:1001:12)

Edited January 14, 2017 by tony

[Dr. McKay]

1. You don't need to delete all those properties; steam-tradeoffer-manager will just ignore them.
2. You need to provide a callback to offer.send()