warningJava ErrorsAffects: All versions
How to Fix IndexOutOfBoundsException
Fix IndexOutOfBoundsException by updating the mod that appears in the stack trace.
Quick Fix
Update the mod shown in the stack trace to its latest version.
Error Message
java.lang.IndexOutOfBoundsExceptionHow to Fix
1
Update the mod identified in the crash report
2
Reset the mod's config files
3
If world-related, check for corrupted chunk data
Common Causes
- Mod accessing a list element that does not exist
- Corrupted data structures in world or config
- Outdated mod not handling new data formats
Diagnostic Steps
- Read the stack trace to identify the mod
- Update it
- If persistent, reset its config
FAQ
What is the difference between ArrayIndexOutOfBounds and IndexOutOfBounds?
ArrayIndexOutOfBounds is for arrays, IndexOutOfBounds is for lists. Both mean the code tried to access a position that does not exist.