warningCrash ReportsAffects: All versions
How to Fix NBT Data Too Large Crash
Fix NBT Too Large by clearing the player's inventory or removing the oversized item with NBTExplorer.
Quick Fix
Use server console to clear the player's inventory: /clear <player>. Or use NBTExplorer to remove the item.
Error Message
Tried to read NBT tag that was too big / NBT size limit exceededHow to Fix
1
Clear the player's inventory: /clear <player>
2
Use NBTExplorer to edit the player's .dat file and remove the oversized item
3
If a chunk entity, use /kill or NBTExplorer to remove it
4
Set up server-side NBT size limits
Common Causes
- Item with excessive NBT data (usually from commands or mods)
- Book with too much text
- Entity with accumulated NBT data
Diagnostic Steps
- If player cannot join, clear inventory from console
- If a world item/entity, locate and remove with NBTExplorer
- Restart the server
FAQ
What is NBT?
Named Binary Tag: the data format Minecraft uses to store item, entity, and block data. Items with commands or many enchantments have larger NBT.