Version: 1.0.0

Steps that lead me to crush:

1. Place Tank
2. Fill it with lava for 4-6 buckets
3. Open interface by Shift+RMB
4. Put x13 upgrade in drawer from inventory (by shift+click or move with mouse)

part of debug.log

i know why this happens; i'll push a fix as soon as i have the opportunity

My Crash Log