Describe the bug
Happened after death, went to death location to pick up stuff (Used the Gravestone Mod), when I went to the location the screen froze and crashed before breaking the gravestone. After restarting Minecraft I could break the gravestone and move around for a few seconds before it froze again leading to another crash. Now, when loading up the world it freezes immediately.

Steps To Reproduce
Unable to reproduce

Crash Log
https://pastebin.com/crpnwG5y

Version (please complete the following information):

• Minecraft version: 1.16.5
• Version of the mod: 1.5.1, 1.5.2, 1.4.1
• Additional mods: (Mod list in crash log pastebin)

Can't replicate this at all, but I have changed the skins to return an empty resource location instead of crashing
There will probably be a burrow with Aardvarks with a missing texture, however, but nothing major