Error while running event Long_Range_Delivery_Drones::on_tick (ID 0) ...e_Delivery_Drones__/script/long-range-delivery-drone.lua:331: bad argument #1 of 2 to 'next' (table expected, got nil) stack traceback: [C]: in function 'next' ...e_Delivery_Drones__/script/long-range-delivery-drone.lua:331: in function 'deliver_to_target' ...e_Delivery_Drones__/script/long-range-delivery-drone.lua:494: in function 'update' ...e_Delivery_Drones__/script/long-range-delivery-drone.lua:1256: in function 'update_drones' ...e_Delivery_Drones__/script/long-range-delivery-drone.lua:1300: in function 'handler' core/lualib/event_handler.lua:72: in function <core/lualib/event_handler.lua:70>

+1 to this issue:
Please report this error to the mod author.

Error while running event Long_Range_Delivery_Drones::on_tick (ID 0)
...e_Delivery_Drones__/script/long-range-delivery-drone.lua:331: bad argument #1 of 2 to 'next' (table expected, got nil)
stack traceback:
[C]: in function 'next'
...e_Delivery_Drones__/script/long-range-delivery-drone.lua:331: in function 'deliver_to_target'
...e_Delivery_Drones__/script/long-range-delivery-drone.lua:494: in function 'update'
...e_Delivery_Drones__/script/long-range-delivery-drone.lua:1256: in function 'update_drones'
...e_Delivery_Drones__/script/long-range-delivery-drone.lua:1300: in function 'handler'
core/lualib/event_handler.lua:72: in function <core/lualib/event_handler.lua:70>"
9098.086 Info ServerMultiplayerManager.cpp:808: updateTick(6640035) changing state from(InGame) to(Failed)
9098.086 Quitting: multiplayer error.
9098.087 Info GlobalContext.cpp:775: Deleting active scenario.

This happens when the plane tries to deliver Cargo from Plane to the Requester.