criticalCrash ReportsAffects: All versions
How to Fix Crash Loading Dimension (Nether/End)
Fix Crash Loading Dimension by deleting the corrupted dimension folder and letting it regenerate.
Quick Fix
Delete the corrupted dimension folder (DIM-1 for Nether, DIM1 for End). It will regenerate.
Error Message
Exception loading dimension / Error loading Nether or EndHow to Fix
1
Backup the world first
2
Delete the DIM-1/ folder (Nether) or DIM1/ folder (End)
3
The dimension will regenerate when next accessed
4
If a modded dimension, reinstall the mod
5
Check level.dat for invalid dimension entries with NBTExplorer
Common Causes
- Corrupted dimension data (DIM-1 or DIM1 folder)
- Mod dimension configuration error
- Missing dimension data after mod removal
Diagnostic Steps
- Backup the world
- Identify which dimension is crashing from the error
- Delete its folder (DIM-1, DIM1, or custom dimension folder)
- Restart and test
FAQ
Will I lose Nether builds if I delete DIM-1?
Yes, all Nether builds will be lost. Only delete if you cannot access the world and have no backup.