I'm new to Nodejs and I have to implement some changes in an small project. It runs over Sql Server using [seriate](https://github.com/LeanKit-Labs/seriate) module. I throws this error...

> 
> Seriate SqlContext Error. Failed on step 'connecting'.Failed to connect to 127.0.0.1:undefined in 15000ms
> 
> 
> 

when executing a [`getPlainContext()`](https://github.com/LeanKit-Labs/seriate#getplaincontextconnectionconfig) with the following config object:

```
{
    "user": "node",
    "password": "node",
    "server": "127.0.0.1\\SQLEXPRESS",
    "database": "lms-db-dev"
}

```

I already tryied using `(local)\\SQLEXPRESS` which I'm using on my Web.config file connection string:

```
Server=(local)\SQLEXPRESS;Database=lms-db-dev;user id=node; password=node

```

I'm wondering why it tryies to connect to `127.0.0.1:undefined` and how can I fix this.