0. ALWAYS PROVIDE INFORMATION ABOUT MODLOADER (Fabric / Forge) AND MOD VERSION (For Example 1.19.2-8.2.10)

NeoForge-21.0.160

travelersbackpack-neoforge-1.21-10.0.3

No other mods present.

1. Describe the bug

Game automatically disconnects from single player world when opening bagpack

2. Write steps to reproduce the bug

1. Load singleplayer world
2. Wear bagpack
3. Press B to open bagpack

3. What is expected behaviour

Game automatically crashes when opening bagpack

4. Screenshots (If applicable)

Will be fixed in the upcoming update. If you want to play now you can downgrade NeoForge version to older one and it'll work correctly

Noted, thanks.