Minecraft Error: Missing Mods in the World

Hello! 🌟

If you own a Minecraft server and enjoy experimenting with different modpacks, you’ve probably encountered a very common error when switching between versions or packs. 🤔

Imagine you’re excited to try a new modpack 🎒, and when you start your server, you see this message in the console:

"This world was saved with this mod but it is no longer installed. Things may not work correctly."

What a hassle! 😤 But don’t worry—we’re here to help you understand and fix this issue.

The Cause 😱

This error occurs because your server is trying to load a world that contains elements from mods that are no longer installed. These are called ghost entities 👻. Even if the mods are gone, the entities remain in your world, which can prevent your server from starting properly.

Quick Fix: The /fml confirm Command

Most of the time, you can solve this problem simply by using the command /fml confirm in the console. This forces the server to acknowledge the issue before loading the world and acts as a safeguard against potential corruption.

⚠️ Note: This solution isn’t always permanent, but it’s a good first step. 🚶‍♂️

❗Common Issue with /fml confirm❗

If problems persist after using /fml confirm, the ghost entities 👻 may be too numerous or complex to ignore. In that case, more drastic measures are needed.

Permanent Solution: Reset the World

If /fml confirm doesn’t work, the only safe solution is to reset your world. This removes all ghost entities and allows the world to generate fresh without them.

Steps to Reset Your World:

1. ❌ Delete the world directory from your server control panel.

2. ⌛ Restart the server to generate a new world.

   
   

Revert to a Previous Version

If you don’t want to lose your current world, another option is to revert to the previous version ⬅️ of the modpack or mod set that was compatible with your world. This restores the missing entities and blocks and allows the server to start correctly.

❗Common Mistake❗

Forgetting to make a backup: Always back up your world before making major changes! This can save you a lot of headaches. 😅

Summary

• Problem: Error loading a world with ghost entities 👻.

• Cause: Switching modpacks or versions without resetting the world 🌎.

• Quick Fix: Use the command /fml confirm.

• Permanent Fix: Reset your world or revert to the previous modpack version ⬅️ 🎒.
  

Conclusion

We hope this guide has been helpful! 🚀 Remember, don’t hesitate to ask questions on the HolyHosting Discord or contact our support team.

Follow us on Twitter @HolyHosting to stay up to date.

Stuffy @ HolyHosting