DatapacksJava
The Classic Error
Java data pack listed for Minecraft 1.21. Download on the author's site.
⬇ Download on CurseForge





Herobrine back into minecraft with his classic structures
For 1.21.9+ data it will show "Broken or incompatible", you can see image below. It's full compatible with that version

Install as resourcespack & datapack!
Settings are available under command /trigger
Strutures:
- Forest without leaves
- Sand pyramids
- Big mossy pyramids
- Small mossy pyramids
- 2x2 caves
Herobrine:
Warning!
Emissive eyes can have model errors!
- Near
- He is watching near from the player
- He hides immediately when he is detected
- He often watches
- In all dimensions
- Far
- He is watching far from the player
- He hides after some time when he is detected
- He rare watches
- Only in overworld and the end
- Nightmare
- He sometime spawns in front of the player's bed
- He gives to player blindness effect
- Totem
- Lower part of totem

- You can use any of planks that exist in minecraft
- Upper part of totem

- You can despawn Herobrine by throwing an enchanted golden apple into totem
Advancements:
- Basic tree
- 2 chanllenges
- 1 goal
Recipes:
- Enchanted golden apple

Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21.11, 1.21.9, 1.21.10
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on CurseForge — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — see the MC Java Mods guides for the full walkthrough.
The Classic Error is a free Minecraft Java datapack. Compatible with Minecraft 1.21.11, 1.21.9, 1.21.10, 1.21.8 and newer. Downloaded 11,254 times (via CurseForge). Download it and open it directly in the game.