el error que recibo es Cannot read properties of undefined (reading 'join')

código:

 const ytdl = require('ytdl-core'); const ytSearch = require('yt-search'); module.exports = { name: 'play', description: 'Joins and plays a video from youtube', async execute(message, args) { const voiceChannel = message.member.voicechannel; if (!args.length) return message.channel.send('You need to send the second argument!'); const validURL = (str) =>{ var regex = /(http|https):\/\/(\w+:{0,1}\w*)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%!\-\/]))?/; if(!regex.test(str)){ return false; } else { return true; } } if(validURL(args[0])){ const connection = await voiceChannel.join(); const stream = ytdl(args[0], {filter: 'audioonly'}); connection.play(stream, {seek: 0, volume: 1}) .on('finish', () =>{ voiceChannel.leave(); message.channel.send('leaving channel'); }); await message.reply(`:thumbsup: Now Playing ***${video.title}!***`) return } const connection = await voiceChannel.join(); const videoFinder = async (query) => { const videoResult = await ytSearch(query); return (videoResult.videos.length > 1) ? videoResult.videos[0] : null; } const video = await videoFinder(args.join(' ')); if(video){ const stream = ytdl(video.url, {filter: 'audioonly'}); connection.play(stream, {seek: 0, volume: 1}) .on('finish', () =>{ voiceChannel.leave(); }); await message.reply(`:thumbsup: Now Playing ***${video.title}***`) } else { message.channel.send('No video results found'); } } }