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Datapack Load Error FixMinecraft mod for 1.21.11

A comprehensive Minecraft world repair utility that fixes common issues caused by removed mods and datapacks.

client onlynewest supported release 1.21.11UtilityOptimization
Latest version
2.0.1
Loaders
NeoForge, Forge
Licence
MIT
Downloads
412.0k
Updated
9 mo ago
Available on
Modrinth

Minecraft versions

Every version Datapack Load Error Fix declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.11NeoForge, Forge21+declared9 Dec 2025
1.21.10NeoForge, Forge21+declared7 Oct 2025
1.21.9Forge, NeoForge21+declared30 Sept 2025
1.21.8NeoForge, Forge21+declared17 Jul 2025
1.21.7NeoForge, Forge21+declared30 Jun 2025
1.21.6NeoForge, Forge21+declared17 Jun 2025
1.21.5NeoForge, Forge21+declared25 Mar 2025
1.21.4NeoForge, Forge21+declared3 Dec 2024
1.21.3NeoForge, Forge21+declared23 Oct 2024
1.21.2NeoForge, Forge21+declared22 Oct 2024
1.21.1Forge, NeoForge21+declared8 Aug 2024
1.21NeoForge, Forge21+declared13 Jun 2024
1.20.6NeoForge, Forge21+declared29 Apr 2024
1.20.5Forge, NeoForge21+declared23 Apr 2024
1.20.4NeoForge, Forge17+declared7 Dec 2023
1.20.3NeoForge, Forge17+declared4 Dec 2023
1.20.2NeoForge, Forge17+declared20 Sept 2023
1.20.1NeoForge, Forge17+declared12 Jun 2023
1.19.4NeoForge, Forge17+declared14 Mar 2023
1.19.3Forge, NeoForge17+declared7 Dec 2022
1.19.2NeoForge, Forge17+declared5 Aug 2022
1.18.2Forge, NeoForge17+declared28 Feb 2022

Download

From Datapack Load Error Fix’s own host. Nothing is re-hosted here.

For Minecraft 1.21.11

Choose the loader you use before downloading.

  • NeoForge

    2.0 · 12 Feb 2026 · datapackloaderrorfix-neoforge-1.21.5-2.0.0.jar

    Get NeoForge

Most recently published release

2.0.1release15 Feb 2026

datapackloaderrorfix-forge-1.21.6-2.0.1.jar · 9 KB · for 1.21.7, 1.21.6 · Forge

Download this release
27400d1796c9…
Older versions1
  • 2.012 Feb 20261.21.11, 1.21.10, 1.21.9, 1.21.88 KB73 downloads160865ba603c…Get

Frequently asked

Does Datapack Load Error Fix work on Minecraft 1.21.11?

Yes. 1.21.11 is the newest Minecraft version Datapack Load Error Fix declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Which Minecraft versions does Datapack Load Error Fix support?

Everything the author has declared, from 1.18.2 up to 1.21.11. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Datapack Load Error Fix on the client or the server?

The client only. There is nothing to install on the server side. That is the author's declared design, not a guarantee for every server: one running anti-cheat or missing a counterpart mod can still object.

Which platform or loader does Datapack Load Error Fix support?

NeoForge, Forge. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for Datapack Load Error Fix?

Among the supported Minecraft releases above, the highest recorded requirement is Java 21 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.

What licence is Datapack Load Error Fix under?

MIT, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install Datapack Load Error Fix?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.

Where do I download Datapack Load Error Fix safely?

Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. When available, recorded download links go to the source for that release; verify the publisher, filename and any available checksum before running it.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

Details from Modrinth, where the author last updated it on 15 Feb 2026. We do not host files or republish descriptions. Available download links point to the author’s own release.

Is this information wrong or missing something? .