Crash when destroying depot

[PeteyPii]

The mod Project Cybersyn (1.3.0) caused a non-recoverable error.
Please report this error to the mod author.

Error while running event cybersyn::script_raised_destroy (ID 80)
LuaTrain API call when LuaTrain was invalid.
stack traceback:
	[C]: in function '__index'
	__cybersyn__/scripts/factorio-api.lua:745: in function 'send_alert_for_train'
	__cybersyn__/scripts/factorio-api.lua:826: in function 'send_alert_depot_of_train_broken'
	__cybersyn__/scripts/main.lua:45: in function 'on_depot_broken'
	__cybersyn__/scripts/main.lua:390: in function 'on_combinator_broken'
	__cybersyn__/scripts/main.lua:665: in function <__cybersyn__/scripts/main.lua:658>