0. MODS
   MC: 1.20.1
   Fabric: 0.14.24
   Travelers Backpacks: 9.1.8
   YIGD: 2.0.0 beta 5

1. Describe the bug
   When players die without a backpack on, and then try and equip one, it is unequippable, the backpack vanishes.

2. Write steps to reproduce the bug
   Have no backpack attached to you or on you.
   Die
   Collect your grave
   Try and equip Backpack

3. What is expected behaviour
   To die and be able to equip backpack - for backpack not to vanish.

4. Screenshots (If applicable)
   

Have also mentioned this issue in YIGD - (B1n-ry/Youre-in-grave-danger#137 ) as have been having other issues with the graves. Unsure which mod is causing this.

as I read the issue in yigd, it has been resolved on their side