Error while running event Transport_Drones_Continued::on_tick (ID 0)
LuaEntity API call when LuaEntity was invalid.
stack traceback:
[C]: in function 'index'
...nsport_Drones_Continued/script/depots/active_depot.lua:136: in function 'get_item_inventory'
...nsport_Drones_Continued__/script/depots/active_depot.lua:262: in function 'update_contents'
...nsport_Drones_Continued__/script/depots/active_depot.lua:668: in function 'update'
Transport_Drones_Continued/script/depot_common.lua:487: in function 'update_depots'
Transport_Drones_Continued/script/depot_common.lua:572: in function 'handler'
core/lualib/event_handler.lua:72: in function <core/lualib/event_handler.lua:70>
