Describe the bug
it crashed when I tried to move an item in a cart that was attached to a skeleton horse.

To Reproduce
Steps to reproduce the behavior:

1. Launch Minecraft
2. Enter the server
3. Crash

Expected behavior
To join the server and not crash.

Log/Screenshots
Client:
reportlog.txt
Server:

Additional Information:

• Version: [1.20.1]
• Modpack: https://git.kaleyfischer.xyz/DRAGONTOS/SMP-MODPACK.git
• only in Multiplayer cus Singleplayer is broken in my modpack.

This is a known issue with quilt when putting armor in the supply cart. I am currently not actively supporting quilt so you'll have to use the workaround of disabling the rendering of armor via the client-side config of the mod.