ERROR: Shard 29's Client took too long to become ready

import dotenv from 'dotenv';
import { ShardingManager } from 'discord.js';

dotenv.config();
const manager = new ShardingManager('./src/bot.js', { 
  token: process.env.DISCORD_BOT_TOKEN,
  respawn: true, // Automatically respawn shards if they fail
  timeout: 120_000 // Increase timeout to 120 seconds
});

manager.on('shardCreate', shard => {
  console.log(`Launched shard ${shard.id}`);
});

manager.spawn({ delay: 5000 }) // Adds a 5-second delay between shards
  .then(() => console.log('All shards launched successfully.'))
  .catch(error => console.error('Error while spawning shards:', error));