Sometimes coroutine.create fails with java.lang.NullPointerException. Happens only in LuaJ fallback. There's a small chance that my apparmor profile causes the issue, but non-luaJ interpreters work fine after trivial changes in that profile.

OC 1.8.0
Minecraft 1.12.2, Forge 14.23.5.2859
Ubuntu Linux 22.04.2 LTS, x86_64
Openjdk version "1.8.0_362"

LuaJ is, generally speaking, unstable and not super usable...