Describe the bug
It crashed when i fiddled around with the sort slot thingies.

To Reproduce
Steps to reproduce the behavior:

1. Click the settings button
2. Enter the sorting settings
3. Fiddle around?
4. Boom, crash!

Expected behavior
Not crashing!

Screenshots
n/a

Required informations (please complete the following information):

• Mod version: 1.18.2 - 7.1.25
• Mod Loader: Forge

Additional context
crash log: https://crashy.net/6738d7a8-b593-404d-9ee1-e6ea38198070
I can't give a clear reproduction, it was unexpected.

https://www.curseforge.com/minecraft/mc-mods/travelers-backpack
Fixed