I'am currently building a GIGA Base with Cybersyn and now I'll receive this error

Die Mod Project Cybersyn (2.0.32) hat einen Fehler verursacht, der nicht behoben werden kann.
Bitte informiere den Autor der Mod über diesen Fehler.

Error while running event cybersyn::on_train_changed_state (ID 30)
cybersyn/scripts/train-events.lua:271: attempt to index field '?' (a nil value)
stack traceback:
cybersyn/scripts/train-events.lua:271: in function 'on_train_leaves_stop'
cybersyn/scripts/train-events.lua:580: in function <cybersyn/scripts/train-events.lua:473>