Mod loader

Fabric

Mod version

0.13.0

Minecraft version

1.21.4

Issue description

For some reason when I am play without backpack mod is wont crash, but after add it the server keep crashing, but Client is not crash, can you help me find the problem? :(

If Bug

• I have confirmed this bug is reproducible on a minimal setup, not a modpack with many other mods.

Provide the latest.log file

https://mclo.gs/eA2yeIL

Ah found problem, the new version backpack is make the server crash 😭

Ty :D

👍

new versions are uploaded

Found the issue, im currently adding the fixes to all versions and will release an Update as fast as possible