criticalCrash ReportsAffects: All versions
How to Fix Crash While Loading Chunks
Fix Crash While Loading Chunks by deleting the corrupted region file and letting the terrain regenerate.
Quick Fix
Delete the region file containing the corrupted chunk. It will regenerate as new terrain.
Error Message
Exception in chunk loading / Error loading chunk at X, ZHow to Fix
1
Identify the chunk coordinates from the error
2
Calculate the region file: r.(chunkX >> 5).(chunkZ >> 5).mca
3
Delete or restore from backup
4
Use MCA Selector for precision chunk deletion
5
If a mod was removed, re-add it or accept data loss
Common Causes
- Corrupted chunk data in region file
- Chunk contains invalid block or entity data
- Mod block removed but chunk still references it
Diagnostic Steps
- Get chunk coordinates from the error
- Calculate region file name
- Delete the .mca file
- Restart and let the chunks regenerate
FAQ
How do I calculate the region file from chunk coordinates?
Divide the chunk X and Z by 32 and round down. The file is r.<result_x>.<result_z>.mca in the region/ folder.