The mod Oxygen (Patched) (1.4.10) caused a non-recoverable error.
Please report this error to the mod author.
Error while running event Oxygen_Patched::on_tick (ID 0)
LuaEntity API call when LuaEntity was invalid.
stack traceback:
[C]: in function 'index'
Oxygen_Patched/control.lua:431: in function 'handle_enemy_positions'
Oxygen_Patched/control.lua:22: in function <Oxygen_Patched__/control.lua:19>
Is the get_enemies function returning dead ones that then are damaged?