Cannot parse config file using grunt command for execution
<p>I'm getting an error while working with grunt,</p>

<pre><code>Error cannot parse config file unexpected token in default.json
</code></pre>

<p>I tried correcting the code but I'm receiving the <a href="https://i.stack.imgur.com/g1nma.png" rel="nofollow noreferrer">same error</a></p>

<p>This is my default.json file:</p>

<pre><code>{
    "Amazon" : {
        "lambda-arn" : "arn:aws:lambda:us-east-1:286506727102:function:myPandora",
    },
    "Pb": {
        "url": "https://aiaas.xxx",
        "app_id": "1xxxx1",
        "user_key": "070xxxxxx",
        "botname": "alexa"
    },
}
</code></pre>

<p>Please help me with this error, Thank you.</p>