1.21.1 Rubinated Nether + FFAPI freezes game permenantly

[Artienia80]

Minecraft version

1.21.1

Describe the bug

World loading stuck at 100% indefinetaly

Steps to reproduce

1. Install Rubinated Nether 2.0.0 and FFAPI
2. Load up an existing world
3. World generation stops at 100% and freezes

Logs

https://gist.github.com/Artienia80/ac02afcd3f27d7f19976c66df60adc65

Additional context

[14Jun2025 16:31:07.368] [Server thread/ERROR] [net.minecraft.network.protocol.game.ServerPacketListener/]: Failed to handle packet ServerboundSelectKnownPacks[knownPacks=[minecraft:core:1.21.1]], suppressing error
java.lang.NullPointerException: null
at java.base/java.util.Objects.requireNonNull(Objects.java:233) ~[?:?]
at java.base/java.util.Optional.of(Optional.java:113) ~[?:?]

[Artienia80]

I have "locked the fuck in" and fixed the error by sheer force (binary searching commits)

The error was in the Hooking curse returning null instead of CODEC. The fixed release can be found here.

https://github.com/Artienia80/RubinatedNether/releases/tag/v2.0.1