Error while running event Transport_Drones::on_ai_command_completed (ID 113)
LuaEntity API call when LuaEntity was invalid.
stack traceback:
Transport_Drones/script/transport_drone.lua:308: in function 'process_deliver_fuel'
Transport_Drones/script/transport_drone.lua:557: in function 'update'
Transport_Drones/script/transport_drone.lua:674: in function 'handler'
core/lualib/event_handler.lua:47: in function <core/lualib/event_handler.lua:45>
stack traceback:
[C]: in function 'index'
__Transport_Drones/script/transport_drone.lua:308: in function 'process_deliver_fuel'
Transport_Drones/script/transport_drone.lua:557: in function 'update'
Transport_Drones/script/transport_drone.lua:674: in function 'handler'
core/lualib/event_handler.lua:47: in function <core/lualib/event_handler.lua:45>

What version of the mod are you running?

Sorry, ı dont remember the version but after updating never happened again (after posting this report ı noticed that mod wasnt up to date
)