[NeoForge 1.21.1] Client disconnects/crashes from server upon Minecraft parrot going onto shoulder.

[SmolAlli]

Tested with just Spawn on a server and client.

Crash on server side when a parrot attempts to go on a player's shoulder. It is consistent.
https://pastebin.com/zvsrMWUd

I can provide a video upon request.

Client and Server both using Spawn version 4.0.4 and Neoforge version 21.1.288