Items deleted on death

[GalakoGG]

Information

Minecraft version: 1.21
Modloader: Fabric
Fabric loader version: 0.15.11
Environment: Singleplayer / Multiplayer

Mod name: Stack Refill
Mod version: 4.4

Description

When you die, a random item in your inventory "refills" (this is automatic) and when you respawn that item gets deleted, does not drop from your inventory.
Since I can't post videos here I upload it in youtube showing an example: https://youtu.be/tdVxYO_fV-Y

I LOSE A WHOLE SHULKER BOX WITH MY WHOLE NETHERITE GEAR:

Crash report

Does not crash the game.