TypeError [ERR_INVALID_ARG_TYPE]: The "data" argument must be one of type string

[lboue]

Hello,

I am facing an issue with the homebridge-mi-gateway-security accessory plugin on my raspberrypi:

pi@raspberrypi:~/.homebridge $ homebridge -D 2>&1
[2018-7-5 21:52:24] Loaded plugin: homebridge-mi-aqara
[2018-7-5 21:52:24] Registering platform 'homebridge-mi-aqara.MiAqaraPlatform'
[2018-7-5 21:52:24] ---
[2018-7-5 21:52:24] Loaded plugin: homebridge-mi-gateway-security
[2018-7-5 21:52:24] Registering accessory 'homebridge-mi-gateway-security.MiGatewaySecurity'
[2018-7-5 21:52:24] ---
[2018-7-5 21:52:24] Loaded plugin: homebridge-mqtt-power-consumption
[2018-7-5 21:52:24] Registering accessory 'homebridge-mqtt-power-consumption.mqtt-power-consumption'
[2018-7-5 21:52:25] ---
[2018-7-5 21:52:25] Loaded plugin: homebridge-plex
[2018-7-5 21:52:25] Registering accessory 'homebridge-plex.Plex'
[2018-7-5 21:52:26] ---
[2018-7-5 21:52:27] Loaded plugin: homebridge-videodoorbell
[2018-7-5 21:52:27] Registering platform 'homebridge-videodoorbell.Video-doorbell'
[2018-7-5 21:52:27] ---
[2018-7-5 21:52:28] Loaded plugin: homebridge-weather
[2018-7-5 21:52:28] Registering accessory 'homebridge-weather.Weather'
[2018-7-5 21:52:28] ---
[2018-7-5 21:52:28] Loaded plugin: homebridge-webos3
[2018-7-5 21:52:28] Registering accessory 'homebridge-webos3.webos3'
[2018-7-5 21:52:28] ---
[2018-7-5 21:52:28] Loaded config.json with 1 accessories and 5 platforms.
[2018-7-5 21:52:28] ---
[2018-7-5 21:52:28] Loading 5 platforms...
...
[2018-7-5 21:52:28] Loading 1 accessories...
[2018-7-5 21:52:28] Initializing MiGatewaySecurity accessory...
internal/crypto/hash.js:58
    throw new ERR_INVALID_ARG_TYPE('data',
    ^

TypeError [ERR_INVALID_ARG_TYPE]: The "data" argument must be one of type string, TypedArray, or DataView. Received type undefined
    at Hash.update (internal/crypto/hash.js:58:11)
    at Object.generate (/usr/lib/node_modules/homebridge/node_modules/hap-nodejs/lib/util/uuid.js:14:11)
    at Object.parseAccessoryJSON (/usr/lib/node_modules/homebridge/node_modules/hap-nodejs/lib/AccessoryLoader.js:85:51)
    at Server._createAccessory (/usr/lib/node_modules/homebridge/lib/server.js:395:28)
    at Server._loadAccessories (/usr/lib/node_modules/homebridge/lib/server.js:276:26)
    at Server.run (/usr/lib/node_modules/homebridge/lib/server.js:86:38)
    at module.exports (/usr/lib/node_modules/homebridge/lib/cli.js:40:10)
    at Object.<anonymous> (/usr/lib/node_modules/homebridge/bin/homebridge:17:22)
    at Module._compile (internal/modules/cjs/loader.js:678:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:689:10)

Here is my config.json file:

{
    "bridge": {
        "name": "Homebridge",
        "username": "CC:21:3E:E4:DE:33",
        "port": 51826,
        "pin": "031-45-154"
    },
    "description": "Configuration file for (e)xtended Domoticz platform.",
    "platforms": [
    {
        "platform": "MiAqaraPlatform",
        "gateways": {
                "286c0785bf83": {
                    "password": "*******************",
                    "ip": "192.168.1.4"
        }
        },
        "defaultValue": {
                "158d0001d3a168": {
                    "ContactSensor_ContactSensor": {
                            "name": "Porte d'entrée"
                    }
                },
                "158d000123053e": {
                    "motion": {
                            "name": "Détecteur mouvement salon"
                    }   
                }
        }
    }
    ],
    "accessories": [{
        "accessory": "MiGatewaySecurity",
        "ip": "192.168.1.4",
        "token": "81264c64d56238aa92dcfb82f774bccf",
        "securityName": "MiGatewaySecurity",
        "securityDisable": false,
        "switchName": "MiGatewaySecuritySwitch",
        "switchDisable": true
    }]
}

Could you tell me what is wrong with my setup?

Regards, Ludovic