Cutting Starmetal Ingot occurs on the server: Player xxx Tired to Attack an invalid entity

What version of Astral Sorcery? Can you post the server log?

That is another mod or plugin triggering that. Log and list, please.

This mod is not yet out for 1.16.5.

no server plugins

server mods:

server log:

Other than that, there is no other information

Even 1.16.4, still have this problem

I also found out how to use any tool to click and also disconnect