Just a hunch: when the Spiderling from Spidertron Patrols is running low on ammo
The mod Ammo Alerts (2.0.8) caused a non-recoverable error.
Please report this error to the mod author.
Error while running event Gun_Turret_Alerts::on_nth_tick(600)
Index out of inventory bounds.
stack traceback:
[C]: in function 'index'
__Gun_Turret_Alerts/control.lua:57: in function '?'
Gun_Turret_Alerts/control.lua:223: in function <Gun_Turret_Alerts/control.lua:171>