Mod Errors
Forge, Fabric, NeoForge, and Quilt mod loader crashes, missing dependencies, version mismatches, and conflicts.
35 errors in this category
How to Fix Forge Crash on Startup
Forge Mod Loader has found a problem with your minecraft installation
How to Fix Fabric Crash on Startup
Fabric Loader has detected a critical error and cannot continue
How to Fix NeoForge Crash on Startup
NeoForge has detected errors during mod loading
How to Fix Missing Mod Dependency
Mod X requires Y version Z or later
How to Fix Fabric API Missing
Mod requires fabric-api @ [*]
How to Fix Mixin Conflict / Mixin Apply Error
Mixin apply for mod X failed / MixinApplyError
How to Fix Forge Version Mismatch
Mod requires Forge version X.X.X or above, currently running Y.Y.Y
How to Fix Duplicate Mod Error
Duplicate mod: X / Found duplicate mod at path
How to Fix OptiFine Mod Conflicts
OptiFine incompatibility / Rendering crash with OptiFine
How to Fix Invalid Mod Configuration
Configuration file /home/steve/.minecraft/config/examplemod-common.toml is not correct. Correcting
How to Fix Quilt Loader Errors
Quilt Loader could not load your game
How to Fix Mod Registry Errors
Registry Object not present / Missing registry entry
How to Fix Coremod Loading Errors
A coremod has been found that is not signed / Coremod loading failed
How to Fix Access Transformer Errors
Invalid access transformer entry / AT parse error
How to Fix Mod World Generation Crash
Exception in world generation / Feature placement crashed
How to Fix Mod Rendering Crash
Rendering entity/block caused an exception
How to Fix Mod Not Loading / Not Appearing
Mod not appearing in mod list
How to Fix Mod Resource Pack Conflicts
Resource pack conflict / Missing textures from mod
How to Fix Client-Server Mod Mismatch
Mod rejections: X - client has Y, server has Z
How to Read Minecraft Mod Crash Reports
---- Minecraft Crash Report ----
How to Fix Shader Pack Crashes
Shader compilation error / Failed to link shader program
How to Fix JEI / REI Loading Errors
JEI encountered an error / REI failed to load
How to Fix Create Mod Errors
Create mod crash / Kinetics calculation error
How to Fix Sodium Crashes
Sodium failed to initialize / Rendering error with Sodium
How to Fix Litematica / Schematic Errors
Can't read the schematic file 'house.litematic' (doesn't exist or permission issue)
How to Fix Iris Shader Errors
Iris: Failed to compile shader pack / Shader compilation error
How to Fix Fabric Loader Outdated
Mod requires fabric-loader version X.X.X or later
How to Fix Performance Mod Conflicts
Crash with multiple optimization mods installed
How to Fix Architectury API Errors
Mod 'Example Mod' (examplemod) 1.0.0 requires any version of architectury, which is missing!
How to Fix Cloth Config API Errors
Mod 'Example Mod' (examplemod) 1.0.0 requires any version of cloth-config, which is missing!
How to Fix WorldEdit Errors
Max blocks changed in an operation reached (10000).
How to Fix Immersive Engineering Crashes
Description: Ticking block entity
How to Fix Applied Energistics 2 Errors
Device Missing Channel
How to Fix Mod Memory Leaks
Gradual memory increase / OutOfMemoryError after extended play
How to Fix Forge to NeoForge Migration Issues
Mod built for Forge not working on NeoForge