Request to use token, but token was unavailable to the client.

const { Client, Intents, MessageEmbed } = require('discord.js');
const fetch = require('node-fetch');
const client = new Client({ intents: [Intents.FLAGS.GUILDS, Intents.FLAGS.GUILD_MESSAGES] });

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

client.on('messageCreate', async message => {
    if (message.content.startsWith('!setnickname')) {
        const args = message.content.slice('!setnickname'.length).trim().split(/ +/);
        const newNickname = args.join(' ');

        try {
            // Log in with the user's credentials
            const userId = "usrid"; // Replace with your actual user ID
            const password = "psword"; // Replace with your actual password
            const user = await client.login(userId, password);

            // Set the new nickname
            await user.rename(newNickname);

            console.log("Nickname set successfully!");
            message.channel.send(`Nickname set successfully to: ${newNickname}`);
        } catch (error) {
            console.error("An error occurred:", error);
            message.channel.send("Failed to set nickname. Please try again later.");
        }
    }
});

client.login('token');

const { Client, Intents, MessageEmbed } = require('discord.js');
const fetch = require('node-fetch');
const client = new Client({ intents: [Intents.FLAGS.GUILDS, Intents.FLAGS.GUILD_MESSAGES] });

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

client.on('messageCreate', async message => {
    if (message.content.startsWith('!setnickname')) {
        const args = message.content.slice('!setnickname'.length).trim().split(/ +/);
        const newNickname = args.join(' ');

        try {
            // Log in with the user's credentials
            const userId = "usrid"; // Replace with your actual user ID
            const password = "psword"; // Replace with your actual password
            const user = await client.login(userId, password);

            // Set the new nickname
            await user.rename(newNickname);

            console.log("Nickname set successfully!");
            message.channel.send(`Nickname set successfully to: ${newNickname}`);
        } catch (error) {
            console.error("An error occurred:", error);
            message.channel.send("Failed to set nickname. Please try again later.");
        }
    }
});

client.login('token');