Per below errors, it seems port 8000~8004 already used by other application on your raspberrypi OS.
[ERROR] 2022-09-21 12:40:45,309 httpserver: Server socket error: Address already in use [*:8000]
[ERROR] 2022-09-21 12:40:45,309 httpServer: unable to bind http server to port=8000, trying next port.
From you confg.json, I can see no port is configured with below settings. In this case, wsems.exe will use default 8000 port and if that fail it try next port by plus 1. I suggest to change to an available port then try restart EMS.
"http_server": {
"ssl": false,
"authenticate": false
},
---->
"http_server": {
"host": "localhost",
"port": 8xxx,
"ssl": false,
"authenticate": false
},