Error while running event fluid-quality-bonus::on_tick (ID 0)
LuaEntity API call when LuaEntity was invalid.
stack traceback:
[C]: in function 'index'
__fluid-quality-bonus/control.lua:137: in function 'on_tick_assembling_machine'
fluid-quality-bonus/control.lua:153: in function <fluid-quality-bonus/control.lua:149>
