What happened?

Game crashes when i try to load into a world with BetterEnd please help!

crash-2024-08-08_14.24.42-server.txt

BetterEnd

21.0.7

BCLib

21.0.11

Fabric API

0.16.0

Fabric Loader

No response

Minecraft

1.20.4

Relevant log output

I am on Minecraft 1.21 not 1.20.4 !!!!!!

Other Mods

No response

I'm having this issue aswell, it seems to work fine letting me into servers but I have to turn better end off to open single player worlds