After tweaking the Cyberware config a bit, players on my server would suddenly start continously taking damage on login if they had cyberware parts installed.
This would stop as soon as they'd hop into a robosurgeon without changing their configuration.
No errors were logged on the console.

Cyberware version: cyberware-1.9.4-1.10.2-beta-0.2.5.jar
Forge version: forge-1.10.2-12.18.3.2185-universal.jar
Tweaked config file: here
Modpack: Blockheadism