BSON .native is not a function - Node - node.js

I'm trying to run my Node Project in Ubuntu 16.04 from AWS. I'm using:
Node v5.8.0
Mongo 3.2.12
Pm2 2.4.1
When I run the project using pm2 or node I get the following error:
ubuntu#ip-172-31-13-71:/var/www/ronteq$ node index.js
/var/www/ronteq/node_modules/mongodb/lib/bulk/ordered.js:15
var bson = new BSON.BSONPure();
^
TypeError: BSON.BSONPure is not a function
at Object.<anonymous> (/var/www/ronteq/node_modules/mongodb/lib/bulk/ordered.js:15:12)
at Module._compile (module.js:413:34)
at Object.Module._extensions..js (module.js:422:10)
at Module.load (module.js:357:32)
at Function.Module._load (module.js:314:12)
at Module.require (module.js:367:17)
at require (internal/module.js:16:19)
at Object.<anonymous> (/var/www/ronteq/node_modules/mongodb/lib/apm.js:7:26)
at Module._compile (module.js:413:34)
at Object.Module._extensions..js (module.js:422:10)
Is there something I've to change in my node_modules?
"use strict"
var inherits = require('util').inherits,
f = require('util').format,
EventEmitter = require('events').EventEmitter,
BSON = require('bson').native().BSON, **Error Line**
ReadPreference = require('./read_preference'),
In my local machine everything works fine. I've searched for a solution but nothing, someone has dealt with this error before?

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Datastore is not a contructor error when trying ./bin/www

I received an error when I try to execute the command "./bin/www" in my installed ubuntu application on Windows.
Error is as below:
/mnt/c/Users/admin/Documents/html/developer_portal/app.js:91
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^
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at Module._compile (module.js:652:30)
at Object.Module._extensions..js (module.js:663:10)
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at Module.require (module.js:596:17)
at require (internal/module.js:11:18)
at Object.<anonymous> (/mnt/c/Users/admin/Documents/html/developer_portal/bin/www:7:11)
at Module._compile (module.js:652:30)
I ran into the same issue trying to re-use some older code with v3.0 of the node helper library for Datastore. It looks like the import syntax has changed a bit in v3. Line 91 in your app.js probably looks something like:
const datastore = new Datastore({projectID: 'myProject'});
Just before that you probably declare Datastore like:
const Datastore = require('#google-cloud/datastore');
... when what you now want is:
const {Datastore} = require('#google-cloud/datastore');

Type Error: require(...) is not a function in SendGrid NodeJS

I am trying to send emails using the following doc on sendrid:
https://sendgrid.com/docs/Integrate/Code_Examples/v2_Mail/nodejs.html
My app.js looks like this:
var sendgrid = require('sendgrid')('SENDGRID_APIKEY');
When runnig npm start I get the following error:
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^
TypeError: require(...) is not a function
at Object.<anonymous> (C:\Users\Grandullon\Desktop\angular\app.js:8:36)
at Module._compile (module.js:409:26)
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at Module.load (module.js:343:32)
at Function.Module._load (module.js:300:12)
at Module.require (module.js:353:17)
at require (internal/module.js:12:17)
at Object.<anonymous> (C:\Users\Grandullon\Desktop\angular\bin\www:7:11)
at Module._compile (module.js:409:26)
at Object.Module._extensions..js (module.js:416:10)
Any ideas what I am doing wrong? conf is a variable where I store my API key.
I am using a clean express installation.
THANKS
My package.json can be looked here as requested:
http://pastebin.com/pGKWFReX
The latest documentation shows a different structure for initialization.
You should try doing
var sg = require('sendgrid').SendGrid(conf);

deployed Nodejs REST API on AWS using elastic beanstalk - Error cannot find custom module

I wrote my first nodejs application.
It works fine on my macbook but when I try to deploy it on AWS elastic beanstalk,I get below error .
/var/log/nodejs/nodejs.log
at Function.Module._load (module.js:310:12)
at Module.require (module.js:365:17)
module.js:338
throw err;
^
Error: Cannot find module '**./routes/userprofile**'
at Function.Module._resolveFilename (module.js:336:15)
at Function.Module._load (module.js:278:25)
at Module.require (module.js:365:17)
at require (module.js:384:17)
at Object.<anonymous> (/var/app/current/main.js:7:18)
at Module._compile (module.js:460:26)
at Object.Module._extensions..js (module.js:478:10)
at Module.load (module.js:355:32)
at Function.Module._load (module.js:310:12)
at Module.require (module.js:365:17)
It seems nodejs is not able to resolve the path for my custom module
userprofile which resides under Routes directory.I have tried moving userprofile.js to the root, but it can still not resolve that.
This is the code in main.js which loads all the modules
/ Load Our Modules
var express = require('express');
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Using the Forever Node Module on multiple projects

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Nothing I do seems to work correctly. Either the Forever command doesn't work from my application's folder or when Forever does work, the process gets stopped immediately with a log file created. Here is the contents of the log file:
module.js:340
throw err;
^
Error: Cannot find module 'mongodb'
at Function.Module._resolveFilename (module.js:338:15)
at Function.Module._load (module.js:280:25)
at Module.require (module.js:364:17)
at require (module.js:380:17)
at Object.<anonymous> (/var/www/html/test/requestHandlers.js:6:13)
at Module._compile (module.js:456:26)
at Object.Module._extensions..js (module.js:474:10)
at Module.load (module.js:356:32)
at Function.Module._load (module.js:312:12)
at Module.require (module.js:364:17)
error: Forever detected script exited with code: 8
So obviously I am not installing Node, MongoDB, and Forever correctly. What is the best way to go about this process?
I am running on an Ubuntu 14.04 instance hosted on an Amazon AWS EC2 server.
Here is my require() for mongodb:
var mongo = require('mongodb'),
Server = mongo.Server,
Db = mongo.Db,
host = "localhost";
Latest error log that Forever creates:
/var/www/html/test/node_modules/mongodb/lib/mongodb/db.js:403
if(connection && connection.serverCapabilities.hasListCollectionsCommand) {
^
TypeError: Cannot read property 'hasListCollectionsCommand' of undefined
at Db.listCollections (/var/www/html/test/node_modules/mongodb/lib/mongodb/db.js:403:49)
at Db.createCollection (/var/www/html/test/node_modules/mongodb/lib/mongodb/db.js:1026:8)
at Object.<anonymous> (/var/www/html/test/requestHandlers.js:15:4)
at Module._compile (module.js:456:26)
at Object.Module._extensions..js (module.js:474:10)
at Module.load (module.js:356:32)
at Function.Module._load (module.js:312:12)
at Module.require (module.js:364:17)
at require (module.js:380:17)
at Object.<anonymous> (/var/www/html/test/indextest.js:3:23)
error: Forever detected script exited with code: 8

Code of nodejs using mongoose works on local machine but on VPS it doen't

This works on windows 7 localhost:
var User = mongoose.model(userDBName, userSchema);
But it gives this error for Debian VPS:
/home/node_modules/mongoose/lib/utils.js:28
return pluralize(name.toLowerCase());
^
TypeError: Cannot call method 'toLowerCase' of undefined
at exports.toCollectionName (/home/node_modules/mongoose/lib/utils.js:28:25)
at Mongoose.model (/home/node_modules/mongoose/lib/index.js:361:46)
at Object.<anonymous> (/home/XXX/nodejs/js/dbbase.js:54:21)
at Module._compile (module.js:456:26)
at Object.Module._extensions..js (module.js:474:10)
at Module.load (module.js:356:32)
at Function.Module._load (module.js:312:12)
at Module.require (module.js:364:17)
at require (module.js:380:17)
at Object.<anonymous> (/home/XXX/nodejs/js/db_read.js:1:76)
How to fix it?
The error was the name is really undefined, due to userDBName is undefined. It relative with 'nconf' and config.json. Just incorrect way to this file.

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