Crash due to a zombie with a brain upgrade getting hurt. Affected mob seems to be a Coralium Zombie from Abyssalcraft, or at least linked to them as they attack normal and cyberzombies
crash-2019-07-17_21.00.17-server.txt

Dup of #94
Fixed in dev, will be in the next update

New version is out, grab it here: https://www.curseforge.com/minecraft/mc-mods/roboticparts/files/2741008