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Guides
Step-by-step, in-game.
Fix Kotlin Library Crashes in Your ModpackIdentify the Problem If your game crashes on startup with errors mentioning Kotlin or Forgelin, you likely have…Maintain a Stable Modpack with Kotlin DependenciesKeep Your Mods Updated Kotlin mods and their libraries receive updates. Forgelin-Continuous stays current with newer…Prepare Your Modpack for Kotlin-Based ModsUnderstand What You Need Many modern Forge mods are written in Kotlin, a programming language that requires…Troubleshoot Mod Compatibility Issues with Forgelin-ContinuousCheck Your Setup If a Kotlin mod still crashes even with Forgelin-Continuous installed, the problem may be version…
Frequently asked questions
Do I need to uninstall the old Forgelin mod first?
Yes, you must remove the old Shadowfacts' Forgelin file from your mods folder before adding Forgelin-Continuous to avoid conflicts and crashes. Having both versions present will cause the game to fail during startup.
What mods actually need this mod to work?
Any mod that was built to depend on Shadowfacts' Forgelin library needs this replacement to run on newer Minecraft versions. Check your mod's description or documentation—if it lists Forgelin as a dependency, you need Forgelin-Continuous.
Can I use this with mods that don't use Kotlin?
Yes, Forgelin-Continuous won't interfere with non-Kotlin mods. It only provides updated Kotlin libraries for mods that specifically require them, so it's safe to leave installed even if some of your mods don't use Kotlin.
Do I also need LibrarianLib-Continuous?
Only if your mods depend on LibrarianLib—check your mod's requirements first. Forgelin-Continuous and LibrarianLib-Continuous are separate and handle different libraries, so install only what your modpack actually needs.
See all 10 Forgelin-Continuous questions ›
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