Added the mod to the Craftoria pack and everyone gets randomly kicked for "Failed to encode packet....custom_payload"

We get kicked every 30m-1hr (ish) with this in the client: 

<img width="2155" height="618" alt="Image" src="https://github.com/user-attachments/assets/84915e17-eca0-41c4-a630-ad7a7abaa09e" />

Server console log here: https://mclo.gs/nYFmelr

Any help would be greatly appreciated!

NeoForge 1.21.1