Rejected connection to Peer.js

[droidforever]

I am getting this in my Edge browser
peerjs.min.js:64
GET http://localhost:3001/peerjs/id?ts=16599952266390.1412045163473865 net::ERR_CONNECTION_REFUSED
GET http://localhost:3001/peerjs/id?ts=16599952266390.1412045163473865 net::ERR_CONNECTION_REFUS

Why am I getting this message could anyone help me with this