Minecraft Version

1.18.2

Forge Version

40.1.0

Mantle Version

1.18.2-1.9.DEV

Tinkers' Construct Version

1.18.2-3.5.0.DEV

Describe your issue

When creating a singleplayer world, there is no problem. But in multiplayer you get "invalid player data" as an error message on the client and this on the server.

Crash Report

https://github.com/SlimeKnights/TinkersConstruct/files/8597944/error.txt

Other mods

Mantle

Tried reproducing with just Tinkers?

Yes

Performance Enchancers

None of the above

Searched for known issues?

Checked pinned issues, Searched open issues, Searched closed issues, Checked the FAQ

1.18.2 is not released. Any bugs you experience are as is. Wait for it to release.
Also don't distribute unofficial builds.