Type error: cannot read properties of undefined

const { Client, Intents, MessageEmbed } = require('discord.js');
const { REST } = require('@discordjs/rest');
const { Routes } = require('discord-api-types/v9');
const { SlashCommandBuilder } = require('@discordjs/builders');

const client = new Client({
  intents: [
    Intents.FLAGS.GUILDS,
    Intents.FLAGS.GUILD_MESSAGES,
    // Add the necessary intent for GUILD_COMMANDS
    Intents.FLAGS.GUILD_MESSAGE_CONTENT,
  ],
});

const token = 'YOUR_BOT_TOKEN'; // Replace with your bot token
const clientId = 'YOUR_CLIENT_ID'; // Replace with your bot's client ID

const commands = [
  new SlashCommandBuilder()
    .setName('ping')
    .setDescription('Replies with latency information'),
].map(command => command.toJSON());

const rest = new REST({ version: '9' }).setToken(token);

client.once('ready', async () => {
  console.log(`Logged in as ${client.user.tag}`);

  try {
    console.log('Started refreshing global (/) commands.');

    await rest.put(
      Routes.applicationCommands(clientId),
      { body: commands },
    );

    console.log('Successfully reloaded global (/) commands.');
  } catch (error) {
    console.error(error);
  }
});

client.on('messageCreate', async message => {
  if (message.content === '/ping') {
    const botLatency = Date.now() - message.createdTimestamp;
    const embed = new MessageEmbed()
      .setTitle('/ping')
      .setDescription(`Bot Latency: ${botLatency}ms\nWebSocket latency: ${client.ws.ping}ms`)
      .setFooter(`${client.user.username}`, client.user.avatarURL());

    try {
      await message.channel.send({ embeds: [embed] });
    } catch (error) {
      console.error(error);
    }
  }
});

client.login(token);

const { Client, Intents, MessageEmbed } = require('discord.js');
const { REST } = require('@discordjs/rest');
const { Routes } = require('discord-api-types/v9');
const { SlashCommandBuilder } = require('@discordjs/builders');

const client = new Client({
  intents: [
    Intents.FLAGS.GUILDS,
    Intents.FLAGS.GUILD_MESSAGES,
    // Add the necessary intent for GUILD_COMMANDS
    Intents.FLAGS.GUILD_MESSAGE_CONTENT,
  ],
});

const token = 'YOUR_BOT_TOKEN'; // Replace with your bot token
const clientId = 'YOUR_CLIENT_ID'; // Replace with your bot's client ID

const commands = [
  new SlashCommandBuilder()
    .setName('ping')
    .setDescription('Replies with latency information'),
].map(command => command.toJSON());

const rest = new REST({ version: '9' }).setToken(token);

client.once('ready', async () => {
  console.log(`Logged in as ${client.user.tag}`);

  try {
    console.log('Started refreshing global (/) commands.');

    await rest.put(
      Routes.applicationCommands(clientId),
      { body: commands },
    );

    console.log('Successfully reloaded global (/) commands.');
  } catch (error) {
    console.error(error);
  }
});

client.on('messageCreate', async message => {
  if (message.content === '/ping') {
    const botLatency = Date.now() - message.createdTimestamp;
    const embed = new MessageEmbed()
      .setTitle('/ping')
      .setDescription(`Bot Latency: ${botLatency}ms\nWebSocket latency: ${client.ws.ping}ms`)
      .setFooter(`${client.user.username}`, client.user.avatarURL());

    try {
      await message.channel.send({ embeds: [embed] });
    } catch (error) {
      console.error(error);
    }
  }
});

client.login(token);