Monke Madness causes an error and crash on chunk generation. The issue was replicated and reproduced in jungle biomes in 1.18.1 with help from members of the Forge Discord.

I did downgrade one version of Monke Madness to version 1.11.2 which averted the crash.

Crash Log: https://bin.bloom.host/quyatagiti
Monke Madness Version: 1.12.0 (Latest)
Minecraft Version: 1.18.1
Forge Version: 39.1.2