error The requested accessory 'WeMo Light Switch' was not registered by any plugin.
home bridge was  running fine , added wemo light switch to my home - couldn't find it in HomeKit via my homebridge installed on Mac mini 
so was thinking that maybe I need to add accessories section to my json config file  but getting error 
 The requested accessory 'WeMo Light Switch' was not registered by any plugin.
also installed the wemo / bekin homebridge plugin  here my config file  any ideas? 

{
	"bridge": {
		"name": "Homebridge",
		"username": "C6:22:3D:E3:CE:32",
		"port": 51826,
		"pin": "035-45-164"
	},
	"description": "Json config API",
	
	"platforms": [{
	
	"platform": "SmartThings",
	"name": "SmartThings",
	"app_url": "https://graph-eu01-euwest1.api.smartthings.com:443/api/smartapps/installations/",
	"app_id": "1a7cf77a-4d9e-470a-bb8e-4df00be07ea5",
	"access_token": "cce0ba9f-f2a7-46a2-a3dc-d381dfd4a161"
	 }],
    "accessories": [{
        "accessory": "WeMo Light Switch",
        "name": "WeMo Platform",
        "app_url": "https://graph-eu01-euwest1.api.smartthings.com:443/api/smartapps/installations/",
		"app_id": "bfeca76a-911e-4362-9ab1-ef0b95b73f86",
		"access_token": "e36aac5e-8a92-4824-954b-fb2ee280512d"
        
	
	
    
	}]
}



