Error is probably caused by trains not having to burn fuel.
Log:
273.138 Error MainLoop.cpp:1432: Exception at tick 288415: The mod Multiple Unit Train Control (1.0.1) caused a non-recoverable error.
Please report this error to the mod author.
Error while running event MultipleUnitTrainControl::on_tick (ID 0)
Robot256Lib/script/carriage_replacement.lua:83: attempt to index local 'burner' (a nil value)
stack traceback:
Robot256Lib/script/carriage_replacement.lua:83: in function 'replaceCarriage'
MultipleUnitTrainControl/control.lua:164: in function 'ProcessReplacement'
MultipleUnitTrainControl/control.lua:275: in function 'ProcessTrain'
MultipleUnitTrainControl/control.lua:377: in function 'ProcessTrainQueue'
MultipleUnitTrainControl/control.lua:405: in function <MultipleUnitTrainControl/control.lua:402>