Muledump Server Error

function realmAPI(path, opts, extraopts, callback) {
	opts.ignore = Math.floor(1e3 + 9e3 * Math.random())
	var url = BASEURL + path + '?' + $.param(opts)

	if (typeof extraopts == 'function') {
		callback = extraopts
		extraopts = {}
	}

	if (extraopts.iframe) {
		var ifr = document.createElement('iframe')
		ifr.style.display = 'none'
		document.body.appendChild(ifr)
		$(ifr).load(function() {
			$(this).remove()
			if (typeof callback == 'function') callback()
		})
		ifr.src = url
		return
	}

	/*queue_request({ //this is the normal function
		dataType: 'jsonp',
		url: 'https://query.yahooapis.com/v1/public/yql',
		data: {
			q: 'select * from xml where url="' + url + '"',
			format: 'json'
		},
		complete: callback
	})*/
	queue_request({ //what I added which doesn't work
		url: url,
		complete: function(result){
			var xmlresult = xmlToJson(result);
			return xmlresult;
		}
	});
}


//this was copypasted from some blogpost online
function xmlToJson(xml) {
	// Create the return object
	var obj = {};

	if (xml.nodeType == 1) { // element
		// do attributes
		if (xml.attributes.length > 0) {
		obj["@attributes"] = {};
			for (var j = 0; j < xml.attributes.length; j++) {
				var attribute = xml.attributes.item(j);
				obj["@attributes"][attribute.nodeName] = attribute.nodeValue;
			}
		}
	} else if (xml.nodeType == 3) { // text
		obj = xml.nodeValue;
	}

	// do children
	if (xml.hasChildNodes()) {
		for(var i = 0; i < xml.childNodes.length; i++) {
			var item = xml.childNodes.item(i);
			var nodeName = item.nodeName;
			if (typeof(obj[nodeName]) == "undefined") {
				obj[nodeName] = xmlToJson(item);
			} else {
				if (typeof(obj[nodeName].push) == "undefined") {
					var old = obj[nodeName];
					obj[nodeName] = [];
					obj[nodeName].push(old);
				}
				obj[nodeName].push(xmlToJson(item));
			}
		}
	}
	return obj;
};

var BASEURL = [
	'https://realmofthemadgodhrd.appspo*****m/',
	'https://rotmgtesting.appspo*****m/'
][+!!window.testing]