Datapack version

v10.15 in 1.21.7

Description

Hi
Sometimes zombie head and creeper glitch out and will be invisible (only on hotbar and in advancement screen)
here are some screenshots

Crashlogs

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Steps to reproduce

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Expected behavior

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Anything else to note?

here is my modlist
mods.txt

Zombie and Creeper head are note player head, it's a Minecraft item, so I can't do anything about it :(