https://paste.dimdev.org/xeconivoqi.mccrash

https://paste.dimdev.org/xiwuqiyiqo.mccrash

Client and server side:

• CreativeCore_v1.9.42_mc1.12.2
• IGCM_v1.2.8_mc1.12.2
• ItemPhysic_Full_1.4.19_mc1.12.2
• OpticManager+v1.1.5+mc1.12.2

Everything was fine a few days ago before I updated CC
I can change OpticManager settings without any problem
But when I'm trying change something in crafting, alchemy, furnance or ItemPhysics
It's crashing my game

Looks like a brewing recipe is crashing. Either remove it or wait for me to fix it.

Does this version fixes it?
https://www.dropbox.com/s/2nqgk9zhc755khd/IGCM_v1.2.9_mc1.12.2.jar?dl=1

Fixed, thanks :)

Nice will upload the update to curseforge.