mc version: 1.12.2
forge: 14.23.4.2705
astralsorcery: 1.12.2-1.9.3
ftbLib: 5.2.0.24
YABBA: 1.1.2.11

Crash occurs in post initialization crash started in version 1.1.2.11. No such crash occurred in 1.1.2.10.
log and crash report

Woo, another one to add to HellFirePvP/AstralSorcery#762...

Getting a crash as well, however with AS and IC2.
IC2 is erroring out on my end specifically.
Crashlog here

Crash Happens with JEI for me:
mezz/JustEnoughItems#1290
https://gist.github.com/DaggerTM/5a418719ad367fe26101694b6ea80d77