Shard #1 and #2 work, but Shard #3 fails at startup

0|. | Shard #3 is online.
0|. | Error [ShardingReadyTimeout]: Shard 3's Client took too long to become ready.
0|. |     at Timeout.onTimeout (/root/snaky/node_modules/discord.js/src/sharding/Shard.js:190:16)
0|. |     at listOnTimeout (node:internal/timers:573:17)
0|. |     at process.processTimers (node:internal/timers:514:7) {
0|. |   code: 'ShardingReadyTimeout'
0|. | }

var manager = new ShardingManager("./bot.js", {
      token: auth[key],
      execArgv: ['--trace-uncaught', '--trace-warnings', '--inspect=0'],
      totalShards: 'auto',
      timeout: 120_000
  });

  manager.spawn({ amount: 'auto', delay: 10000, timeout: 120000});
  
  // Track when all shards are ready
  let readyShards = new Set();
  manager.on("shardCreate", shard => {
      console.log(`Shard #${shard.id} is online.`);   // THIS FIRES FOR SHARD 1, 2, and 3
      
      shard.on("ready", () => { // THIS ONLY FIRES FOR SHARD 1 and 2
          readyShards.add(shard.id);
          console.log(`Shard #${shard.id} is ready. (${readyShards.size}/${manager.totalShards} shards ready)`);
          
          if (readyShards.size === manager.totalShards) {
              console.log("All shards are now ready!");
          }
      });
  });
}