Equipment Packet Fix
Modby comfortableandy
A simple 1.20.1 forge mod that fixes a weird itemstack encoding issue in ClientboundSetEquipmentPacket causing clients to be kicked.
Type
Mod
CurseForge Downloads
972
CurseForge ID
1389905
Last Updated
Jul 25, 2026
Description
Equipment Packet Fix (1.20.1 Forge)
Mixes into CompoundTag to do two things:
- Avoid a ConcurrentModificationException in CompoundTag#write by converting the tag's key set into an array before iterating
- Avoid a EncoderException (caused by NullFointerException) in CompoundTag#writeNamedTag by adding a null safeguard
Config
detectExceptions - (default false) Try and log when exceptions might happen, logging the CompoundTag in question
Modpacks
Free to use in modpacks, but please do not redistribute.
Credits
Logo textures from Minecraft (armor) and Minecraft Dungeons (hammer). Disconnect screenshot from reddit
Screenshots
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