Black screen after i added assistant and hotword to config

[Obakemono]

Can anyone help ? im new to coding so help would be appreciated

/* Magic Mirror Config Sample
 *
 * By Michael Teeuw http://michaelteeuw.nl
 * MIT Licensed.
 *
 * For more information how you can configurate this file
 * See https://github.com/MichMich/MagicMirror#configuration
 *
 */

var config = {
	zoom: 1,
	address: "", // Address to listen on, can be:
	                      // - "localhost", "127.0.0.1", "::1" to listen on loopback interface
	                      // - another specific IPv4/6 to listen on a specific interface
	                      // - "", "0.0.0.0", "::" to listen on any interface
	                      // Default, when address config is left out, is "localhost"
	port: 8080,
	ipWhitelist: [], // Set [] to allow all IP addresses
	                                                       // or add a specific IPv4 of 192.168.1.5 :
	                                                       // ["127.0.0.1", "::ffff:127.0.0.1", "::1", "::ffff:192.168.1.5"],
	                                                       // or IPv4 range of 192.168.3.0 --> 192.168.3.15 use CIDR format :
	                                                       // ["127.0.0.1", "::ffff:127.0.0.1", "::1", "::ffff:192.168.3.0/28"],

	language: "en",
	timeFormat: 24,
	units: "metric",
	// serverOnly:  true/false/"local" ,
			     // local for armv6l processors, default 
			     //   starts serveronly and then starts chrome browser
			     // false, default for all  NON-armv6l devices
			     // true, force serveronly mode, because you want to.. no UI on this device
	
	modules: [
	    {
               module: "MMM-Hotword",
 
               position: "centre_top",

	       config: {

		chimeOnFinish: null,

		mic: {

			recordProgram: "arecord",

			device: "plughw:1"

		},

		models: [

			{

				hotwords    : "smart_mirror",

				file        : "smart_mirror.umdl",

				sensitivity : "0.5",

			},

		],

		commands: {

			"smart_mirror": {

				notificationExec: {

					notification: "ASSISTANT_ACTIVATE",

					payload: (detected, afterRecord) => {

						return {profile:"default"}

					}

				},

				restart:false,

				afterRecordLimit:0

			}

		}

	}

},

{

	module: "MMM-AssistantMk2",

	position: "centre_top",

	config: {

		deviceLocation: {

			coordinates: {

				latitude: 57.182937, // -90.0 - +90.0

				longitude: 2.201246, // -180.0 - +180.0

			},

		},

		record: {

			recordProgram : "arecord",  

			device        : "plughw:1",

		},

		notifications: {

			ASSISTANT_ACTIVATED: "HOTWORD_PAUSE",

			ASSISTANT_DEACTIVATED: "HOTWORD_RESUME",

		},

		useWelcomeMessage: "brief today",

		profiles: {

			"default" : {

				lang: "en-US"

			}

		},

	}

},
		{
			module: "alert",
		},
                {
                        module: "compliments",
                        position: "lower_third"
                },
		{
			module: "updatenotification",
			position: "top_bar"
		},
		{
			module: "clock",
			position: "top_left"
		},
		{
			module: "calendar",
			header: "UK Holidays",
			position: "top_left",
			config: {
				calendars: [
					{
						symbol: "calendar-check",
						url: "webcal://www.calendarlabs.com/ical-calendar/ics/75/UK_Holidays.ics"					}
				]
			}
		},
		{
			module: "currentweather",
			position: "top_right",
			config: {
				location: "Aberdeen",
				locationID: "2657832",  //ID from http://bulk.openweathermap.org/sample/city.list.json.gz; unzip the gz file and find your city
				appid: "b577b21d7aa76d1c63a88af2513126d2"
			}
		},
		{
			module: "weatherforecast",
			position: "top_right",
			header: "Weather Forecast",
			config: {
				location: "Aberdeen",
				locationID: "2657832",  //ID from http://bulk.openweathermap.org/sample/city.list.json.gz; unzip the gz file and find your city
				appid: "b577b21d7aa76d1c63a88af2513126d2"
			}
		},
		{
			module: "newsfeed",
			position: "bottom_bar",
			config: {
				feeds: [
					{
						title: "BBC News",
						url: "http://feeds.bbci.co.uk/news/rss.xml"
					}
				],
				showSourceTitle: true,
				showPublishDate: true,
				broadcastNewsFeeds: true,
				broadcastNewsUpdates: true
			}
		},
	]

};

/*************** DO NOT EDIT THE LINE BELOW ***************/
if (typeof module !== "undefined") {module.exports = config;}

[A Former User]

hi, i think it’s better for you reading offical wiki in each module on github website