Version: Fabric 1.19.2
NOTE: I do have some extra mods installed and Not Enough Crashes (to see what the problem easier).

Bug: My world is corrupted and I can no longer join it

Reproducing it: Go to the creative menu, hover over the standard traveler's backpack (tier netherite), and hold control to see the slots.

The game should crash, then after you re-open it and attempt to open the world again you will crash again.

The images below this text were me re-creating it.



crash-2023-10-07_14.46.44-client.txt

Side Note, Disabling the mod seems to allow you to play again.

This exact thing happened to me in version 1.20.1 Forge version 47.2.0., but it didn't corrupt my world.

fixed
https://modrinth.com/mod/travelersbackpack/versions
https://legacy.curseforge.com/minecraft/mc-mods/travelers-backpack-fabric/files