Lots of errors about hangouts-bot HOT 5 OPEN

var fs = require('fs');
var path = require('path');
var hangoutsBot = require("hangouts-bot");

var credentials = JSON.parse(fs.readFileSync(path.join(__dirname, "credentials.json")));
var bot = new hangoutsBot(credentials.email, credentials.password);
bot.on('online', function() {
    console.log('Online as '+credentials.email);
});
bot.on('message', function(from, message) {
    console.log("Message from "+from+": "+message);
});

{
    "email":"***********@gmail.com",
    "password":"*********"
}