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

Neoforge 21.1.146, Traveler's Backpack 1.21.1-10.1.0

1. Describe the bug

Backpack dissapears when putting on using shift + left click

2. Write steps to reproduce the bug

1. Take any backpack
2. Place it on the floor
3. Hold shift + click left mouse button
4. Backpack should be on, but is not

3. What is expected behaviour

Backpack should not dissappear

I have following mods:
balm-neoforge-1.21.1-21.0.20.jar
cloth-config-15.0.140-neoforge.jar
connector-2.0.0-beta.7+1.21.1-full.jar
continuity-3.0.0+1.21.neoforge.jar
create-1.21.1-6.0.4.jar
forgified-fabric-api-0.107.0+2.0.26+1.21.1.jar
iris-neoforge-1.8.8+mc1.21.1.jar
Jade-1.21.1-NeoForge-15.10.0.jar
jei-1.21.1-neoforge-19.21.0.247.jar
journeymap-neoforge-1.21.1-6.0.0-beta.44.jar
lambdynamiclights-4.1.0+1.21.1.jar
Patchouli-1.21-88-NEOFORGE.jar
reeses-sodium-options-neoforge-1.8.3+mc1.21.4.jar
sodium-extra-neoforge-0.6.0+mc1.21.1.jar
sodium-neoforge-0.6.13+mc1.21.1.jar
sushigocrafting-1.21-0.6.4.jar
titanium-1.21-4.0.36.jar
travelersbackpack-neoforge-1.21.1-10.1.0.jar
waystones-neoforge-1.21.1-21.1.5.jar
WI-Zoom-1.6-MC1.21.1-NeoForge.jar

Note: The backpack doesn't dissappear when you already wear one

I closed this by accident