Socket error - socket closed

Hi there I just installed the pm2-web version 2.1.2, and it is showing this error when I tried to load the page: Socket error - socket closed

root@beaglebone:~# pm2-web
2014-11-19T18:09:46.446Z - info: Configuration Loaded default configuration from /usr/lib/node_modules/pm2-web/server/components/../../config.json
2014-11-19T18:09:46.518Z - info: Configuration Final configuration: {
"www": {
"host": "localhost",
"address": "0.0.0.0",
"port": 9000,
"authentication": {
"enabled": false,
"username": "a_user_name",
"password": "***\* LA LA LA, NOTHING TO SEE HERE ***_"
},
"ssl": {
"enabled": false,
"upgrade": true,
"port": 9001,
"passphrase": "**_\* LA LA LA, NOTHING TO SEE HERE ****",
"key": "/path/to/key/file",
"certificate": "/path/to/certificate/file"
}
},
"ws": {
"frequency": 500
},
"pm2": [
{
"host": "localhost",
"rpc": "/root/.pm2/rpc.sock",
"events": "/root/.pm2/pub.sock"
}
],
"updateFrequency": 5000,
"forceHardReload": false,
"logs": {
"max": 1000
},
"hostPurge": {
"frequency": 10000,
"cutoff": 60000
},
"graph": {
"datapoints": 1000,
"distribution": [
40,
25,
10,
10,
5
]
},
"mdns": {
"enabled": false,
"name": "pm2"
},
"requiredPm2Version": "0.11.0"
}
2014-11-19T18:09:46.844Z - info: Express server listening on 0.0.0.0:9000
2014-11-19T18:09:46.988Z - info: PM2Listener localhost RPC socket ready
2014-11-19T18:09:46.994Z - info: PM2Listener Querying version number from localhost
2014-11-19T18:09:47.036Z - info: PM2Listener localhost is running pm2 0.12.1
GET /js/vendor/angular/angular.js 304 148.775 ms - -
GET /js/vendor/angular/angular-route.js 304 99.798 ms - -
GET /js/vendor/angular/angular-sanitize.js 304 97.796 ms - -
GET /js/vendor/reconnecting-websocket/reconnecting-websocket.min.js 304 104.580 ms - -
GET /js/vendor/bootstrap/ui-bootstrap-tpls-0.7.0.min.js 304 106.469 ms - -
GET /js/vendor/highcharts/highcharts-all.js 304 108.275 ms - -
GET /css/reset.css 304 17.041 ms - -
GET /css/bootstrap.css 304 18.494 ms - -
GET /css/style.css 304 20.219 ms - -
GET /js/vendor/highcharts-ng/highcharts-ng.min.js 304 10.526 ms - -
GET /js/monitor.js 304 13.318 ms - -
GET /js/vendor/highcharts/highcharts-all.js 304 10.668 ms - -
GET /css/font-awesome.min.css 304 7.264 ms - -
GET /js/partials/connecting.html 304 11.672 ms - -
GET /img/satinweave.png 304 10.035 ms - -
GET /img/favicon.png 304 19.985 ms - -