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Packet Fixer

Packet Fixer

v3.3.6
Modrinth • 1 155 followers • 24 436 053 downloads
by TonimatasDEV
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A simple mod to fix various problems with packets, nbt and timeouts.

Product

About

Packet Fixer

Visit my discord server: Link

Description

This mod increases the packet sizes to prevent various package erros. This mod could be used in mod packs for increasing the number of mods.

The mod is required in Client and Server sides.

Prevent these problems:

  • Tried to read NBT tag that was too big; tried to allocate: X bytes where max allowed: 2097152
  • Badly compressed packet - size of X is larger than protocol maximum of 2097152
  • Attempted to send packet over maximum protocol size: 8388608
  • Chunk Packet trying to allocate too much memory on read.
  • Packet too big (is X, should be less than 8388608)
  • Payload may not be larger than 1048576 bytes
  • Payload may not be larger than 32767 bytes
  • Packet too large: size X is over 8
  • Length wider than 21-bit
  • Unable to fit X into 3
  • Connection timeouts
  • VarLong too big
  • VarInt too big

Recipe, tag and another problems try Recipe Fixer

Feel free to use this mod on your modpack

Environment

Requirements & compatibility

Compatibility & requirements

FabricForgeNeoforgeQuilt1.12.21.15 – 1.15.21.16.51.17.1 – 1.21.1126.126.1.126.1.226.2

Local host

Optional

Hosting on services

Optional

Terms

License

Terms for using, modifying and redistributing this product.

MIT LicenseModrinth
Release

Latest release

v3.3.6

16.07.2026 · Modrinth

  • Fix: Crash with Krypton.