using Rubidium 0.7.1, I crashed while generating chunks, and it seems to be related to a mixin with flywheel/create and rubidium

crash report: https://gist.github.com/mosharky/1a933622d03cfb4b0f7f78ff68817e42

had the same issue, also when placing glass next to lava, see if that crashes your game too. had areas of my world/nether that i had to avoid.