Писал бота для проигрывания музыки в discord, бот запустился но при вводе команд ничего не происходит

const { Client, Intents } = require('discord.js');
const { token } = require('./config.json');
const ytdl = require('ytdl-core');

const client = new Client({ intents: [Intents.FLAGS.GUILDS] });

client.once('ready', () => {
console.log('Ready!');
});
client.once('reconnecting', () => {
console.log('Reconnecting!');
});
client.once('disconnect', () => {
console.log('Disconnect!');
});

client.login(token);

client.on('message', async message => {
if (message.author.bot) return;
if (!message.content.startsWith(prefix)) return;

const serverQueue = queue.get(message.guild.id);

if (message.content.startsWith(`${prefix}play`)) {
    execute(message, serverQueue);
    return;
} else if (message.content.startsWith(`${prefix}skip`)) {
    skip(message, serverQueue);
    return;
} else if (message.content.startsWith(`${prefix}stop`)) {
    stop(message, serverQueue);
    return;
} else {
    message.channel.send('You need to enter a valid command!')
}
});

async function execute(message, serverQueue) {
const args = message.content.split(' ');

const voiceChannel = message.member.voiceChannel;
if (!voiceChannel) return message.channel.send('You need to be in a voice channel to play music!');
const permissions = voiceChannel.permissionsFor(message.client.user);
if (!permissions.has('CONNECT') || !permissions.has('SPEAK')) {
    return message.channel.send('I need the permissions to join and speak in your voice channel!');
 }

const songInfo = await ytdl.getInfo(args[1]);
const song = {
    title: songInfo.title,
    url: songInfo.video_url,
     };

if (!serverQueue) {
    const queueContruct = {
        textChannel: message.channel,
        voiceChannel: voiceChannel,
        connection: null,
        songs: [],
        volume: 5,
        playing: true,
    };

    queue.set(message.guild.id, queueContruct);

    queueContruct.songs.push(song);

    try {
        var connection = await voiceChannel.join();
        queueContruct.connection = connection;
        play(message.guild, queueContruct.songs[0]);
    } catch (err) {
        console.log(err);
        queue.delete(message.guild.id);
        return message.channel.send(err);
    }
} else {
    serverQueue.songs.push(song);
    console.log(serverQueue.songs);
    return message.channel.send(`${song.title} has been added to the queue!`);
}

}

function skip(message, serverQueue) {
if (!message.member.voiceChannel) return message.channel.send('You have to be in a 
voice channel to stop the music!');
if (!serverQueue) return message.channel.send('There is no song that I could skip!');
serverQueue.connection.dispatcher.end();
}

function stop(message, serverQueue) {
if (!message.member.voiceChannel) return message.channel.send('You have to be in a 
voice channel to stop the music!');
serverQueue.songs = [];
serverQueue.connection.dispatcher.end();
}

function play(guild, song) {
const serverQueue = queue.get(guild.id);

if (!song) {
    serverQueue.voiceChannel.leave();
    queue.delete(guild.id);
    return;
}

const dispatcher = serverQueue.connection.playStream(ytdl(song.url))
    .on('end', () => {
        console.log('Music ended!');
        serverQueue.songs.shift();
        play(guild, serverQueue.songs[0]);
    })
    .on('error', error => {
        console.error(error);
    });
dispatcher.setVolumeLogarithmic(serverQueue.volume / 5);
}

client.login(token);