"This version is incompatible with the profile modloader..." Warning 


If you’ve come across this warning, don’t worry we’ll walk you through what it means and how to fix it.


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Why does this warning appear?

This icon is displayed when:

  • The mod isn’t compatible with the modpack’s modloader (Forge/Fabric/etc.)

  • The mod was compatible and got updated to a new version that no longer supports the modpack's modloader

Solution: Update the mod to a compatible version or roll back to a previous one that works with your modloader.

What are the differences between the modloaders?

When browsing or editing modpacks in CurseForge, you’ll see different modloaders available: Forge, Fabric, NeoForge, and Quilt.


These modloaders are what make Minecraft modding possible in the CurseForge app.


You can read more about them in the official documentation here:

When authors upload their mods, they add tags indicating which modloader the mod supports. Some creators even provide multiple files to support different modloaders.

Compatibility and tagging

For a file to be recognized as compatible with a certain modloader:

  • The author must tag it properly.

  • Without the tag, the file will be marked as incompatible even if it technically works in-game.

Best practices for authors & custom modpacks

If you’re creating or editing a project, always make sure:

  • You only add mods that match the modloader of your pack.

  • You keep in mind that not all mods are available for every modloader. This might influence which modloader you choose when building your own custom pack.