error killer

If you try to place a block but an obstacle is in the way (like levers) the mod instantly grabs a Water Bucket or Lava Bucket from your hotbar to clear the space and places your block

by sigmapowaznaGame mechanics Technology Utility

Fabric

Loaders: Fabric
Downloads on Modrinth: 1K
Followers on Modrinth: 0
version: 1
Updated: July 29, 2026Jul 29
Published: in 2026

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At a glance

Runs on Fabric

For Minecraft 1.21.4

Client only — no need to install it on the server

Latest version — 1.11.1-mc1.21.4 from July 29, 2026

License MIT — free

Where it's needed

In gamerequiredOn servernot needed

Install in the game only; not needed on the server

Game versions1.21.4

Error Killer is a lightweight, client-side utility mod that assists with block placement. If you try to place a block but an obstacle is in the way (like lever or a button) the mod instantly grabs a Water Bucket or Lava Bucket from your hotbar to clear the space and places your block seamlessly.

FAQ

How to install error killer?

Install Fabric for your Minecraft version, download error killer for the same version and loader, put the file into the mods folder and launch the game with the loader profile.

Which Minecraft versions does error killer support?

error killer has builds for Minecraft 1.21.4.

Is error killer needed on the server?

Client only — no need to install it on the server

License and source

MIT Licensefree to use and share with credit to the author

Original — Modrinth↗Files unchanged, verified with SHA-512Is this your mod? For rights holders