[AC-963] ACS - FB logged Users: addFriend / friendRequests throws an internal Error

var Cloud = require('ti.cloud');
var self = Ti.UI.createWindow({});

var faceBookLoginBtn = Ti.UI.createButton({ title : 'facebook login',  });
faceBookLoginBtn.addEventListener('click', function() { fb.authorize(); });
self.add(faceBookLoginBtn);

fb.addEventListener('login', function(e) {
        if (e.success) {
            // Cloud.SocialIntegrations.externalAccountLogin({
            //    type: 'facebook',
            //    token: fb.getAccessToken(),
            // update their account on ACS (for custom reasons)
            // logs them in.
            // These work, as I do see them logged in & their info updated on ACS web Console
 });

// after login to add friends or friends requests: **Node ACS** code:
// Briefly, this works like Tinder, one user swipes right to sent a friend request to another user, 
// or if they already have a request from that user, they confirm the request to be Friends.

function addFriend(req, res) {
    var results = {};
	// 1- Query currentUser Friend Requests
	Cloud.Friends.requests({
	    session_id: req.body.session_id
    },function (e) {
        if (e.success) {
            results.gotFriendRequests =  true;
            var userHadRequest = _score.find(e.friend_requests, function(friendRequest){ return friendRequest.user.id === req.body.toBeFriend_id; });
            if (userHadRequest) {
                results.match = true;
                Cloud.Friends.approve({
                    user_ids: req.body.toBeFriend_id,
                    session_id: req.body.session_id
                }, function (_e) {
                    if (_e.success) {
                        results.approvedMatch = true;
                        return res.send({results: results, matchedUser: userHadRequest.user.username, matchedUserId: userHadRequest.user.id});
                    } else {
                        results.approvedMatch = false;
                        results.approvedMatchFailedReason = JSON.stringify(_e);
                        return res.send(results);
                    }
                });
            } else {
                // Didn't have a User request for this user
                Cloud.Friends.add({
                    user_ids: req.body.toBeFriend_id,
                    session_id: req.body.session_id
                }, function (e) {
                    if (e.success) {
                        results.friendRequestSent = true;
                        return res.send(results);
                    } else {
                        results.friendRequestSent = false;
                        results.friendRequestFailedReason = JSON.stringify(e);
                        return res.send(results);
                    }
                });
            }
        } else {
            results.gotFriendRequests = false;
            results.gotFriendRequestsFailedReason = JSON.stringify(e);
            return res.send(results);
        }
    });
};