Failed to load mods: PyEarlyMiniTrainsContinued/prototypes/technology.lua:31: attempt to index local 'train_signal_research' (a nil value)
stack traceback: PyEarlyMiniTrainsContinued/prototypes/technology.lua:31: in main chunk
[C]: in function 'require' PyEarlyMiniTrainsContinued/data-final-fixes.lua:1: in main chunk