The mod Aircaft Drones (1.1.0) caused a non-recoverable error.
Please report this error to the mod author.
Error while running event AircraftDrones::on_configuration_changed
AircraftDrones/control.lua:258: attempt to compare table with number
stack traceback:
AircraftDrones/control.lua:258: in function <AircraftDrones/control.lua:244>