fix: crash

src/base-environments/transition/code/fahrplan.gd

@@ -43,6 +43,10 @@ var destinations : Array[Station] = [null, null]
 ## Begins the scheduled traffic (looping through the list of destinations) on a given track
 func _begin_traffic_loop(track: Dolly, cancel: Array) -> void:
 	if not track.player_on_board and fahrplan[current][track.index] == null: # empty trains dont arrive at endstation
+		_set_signage_texts(track.signage_group, "Gleis gesperrt")
+		return
+
+	if fahrplan[current][track.index] == null: # empty trains dont arrive at endstation
 		track.arrive(true)
 		_set_signage_texts(track.signage_group, "Endstation")
 		return