HAve you made sure your plex server is running on the shield? go into plex on the shield and go to settings. scroll down and click on Plex Media Server and make sure it is running. you might want to read this link also
HAve you made sure your plex server is running on the shield? go into plex on the shield and go to settings. scroll down and click on Plex Media Server and make sure it is running. you might want to read this link also