Minecraft version & Mod Version: 1.16.5-1.1.10, Forge 36.2.0

Single player or Server: Single player

Describe problem (what you were doing / what happened): Place a Living tool and an enchanted book in an anvil. I tested with a Pickaxe and Silk Touch, and with the Engraved Blade and Sharpness. Crashes to desktop instantly.

Crash log (if any): Pastebin