Equipment Packet Fix

Mod

by 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

1,020

CurseForge ID

1389905

Last Updated

Jul 29, 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

Recommended Gear

Affiliate

Hardware and extras that pair well with this mod.

LEGO Minecraft Set

Official sets that translate the building side of the game off-screen.

View on Amazon →

As an Amazon Associate I earn from qualifying purchases.

Screenshots

Similar Mods

Cosmaztic's Swords : Reworked [Create]

My Cosmaztic's Sword Mod : Reworked, with some swords using create items.

Mod 10,199

Gladius - Combat Evolved

Improves upon the existing Minecraft combat system.

Mod 10,198

Create : radiologistics

Unleash wireless connectivity and node-based logic programming in your Create contraptions

Mod 10,194

The Screaming Sheep [LEGACY]

Becareful The Sheep At Night Or Day

Mod 10,193

Music Expansion - Volume Gamma

Recaptures the style of C418's original Minecraft soundtrack, in 22 new songs!

Mod 10,188

Armor And Weapons of Legends

i just wanted to make a weapons mod for everybody to enjoy

Mod 10,187

Included in Modpacks (2)

Voloron 3

BANNERLORD

External Resources

CurseForge Source Code Issues

Sort By