when i crafted air recipe in optibench and tried to autocraft it, my game crashed
crash log:
crash-2018-07-10_19.10.17-server.txt
https://paste.dimdev.org/edeludageb.mccrash
playing on TownCraft modpack
crash everytime i try to load world

well that was kind of expectable... ^^

PLease check if this version fixes your problem: 26.3.277

yep, that's fixed it. loaded world with no problem

thank you