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