Error:SyntaxError: An invalid or duplicated subprotocol was specified


  • I am Running Below Code

    let web_socket = new WebSocketClient({
      clientcode: CLIENT_ID,
      jwttoken: JWTTOKEN,
      apikey: API_KEY,
      feedtype: "order_feed",
    });
    
    web_socket.connect().then(() => {
      var ACTION_TYPE = "subscribe";
      var FEED_TYPE = "order_feed";
      console.log("Connected to Web Socket");
      web_socket.fetchData(ACTION_TYPE, FEED_TYPE); // ACTION_TYPE: subscribe | unsubscribe FEED_TYPE: order_feed
    
      setTimeout(function () {
        web_socket.close();
      }, 60000);
    });
    
    web_socket.on("tick", receiveTick);
    
    function receiveTick(data) {
      console.log("receiveTick:::::", data);
    }
    
    

    Get this error

    throw new SyntaxError(
                  ^
    
    SyntaxError: An invalid or duplicated subprotocol was specified
    

    Please help