I have installed nodejs and npm in my Pfsense for sonos api http

I have download and Unizo the package and put it in production but when i start “npm start”

I get

2021-04-16T03:25:55.691Z INFO http server listening on 192.168.1.222 port 5151
2021-04-16T03:25:56.253Z ERROR No system has yet been discovered. Please see https://github.com/jishi/node-sonos-http-api/issues/77 if it doesn't reso
lve itself in a few seconds.
(node:70803) [DEP0005] DeprecationWarning: Buffer() is deprecated due to security and usability issues. Please use the Buffer.alloc(), Buffer.allocUns
afe(), or Buffer.from() methods instead.
2021-04-16T03:25:56.280Z ERROR No system has yet been discovered. Please see https://github.com/jishi/node-sonos-http-api/issues/77 if it doesn't reso
lve itself in a few seconds.
2021-04-16T03:25:56.299Z ERROR No system has yet been discovered. Please see https://github.com/jishi/node-sonos-http-api/issues/77 if it doesn't reso
lve itself in a few seconds.
2021-04-16T03:25:59.856Z ERROR No system has yet been discovered. Please see https://github.com/jishi/node-sonos-http-api/issues/77 if it doesn't reso
lve itself in a few seconds.
2021-04-16T03:26:04.855Z ERROR No system has yet been discovered. Please see https://github.com/jishi/node-sonos-http-api/issues/77 if it doesn't reso
lve itself in a few seconds.
2021-04-16T03:26:08.263Z ERROR No system has yet been discovered.

Do i have to open lock ports ? If yes how do i do that ?

Thanks in advance