https://gist.github.com/NolanHewitt/c159b02de92c3de5dc9782a1ede1277c

thanks for the report, fixed in Beta 2!

crash-2024-05-08_21.32.42-server.txt

I get a different crash now when I load an old world.

Hmm that's annoying. It looks like some of the code for level storage changed somewhere between 1.20.1 and 1.20.4, though I'm not home so I can't tell for sure.

fixed in Beta 3!