Exit Code 1INT: 1
Exit Code 1 (Generic Game Crash)
The most common crash code in modded Minecraft, typically caused by incompatible mods or mismatched Java versions.
Official Primary Solution
How to Fix Minecraft Exit Code 1 in Forge & Fabric
Complete step-by-step guide to resolve Exit Code 1: log inspection, Java runtime repair, and mod conflict triage.
Open Step-by-Step GuideOther possible causes for Exit Code 1
Fabric Mod Incompatibilities: Mixin Apply Failed & Version Conflicts
How to diagnose Fabric crash logs by locating org.spongepowered.asm.mixin stack traces and resolve mod collisions.
Minecraft 1.20.5+ Fails to Launch: Java 21 Required
Starting from Minecraft 1.20.5, Java 21 is mandatory. Learn how to update with one click in SuperLauncher.
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