bugfix

src/main/java/de/srsoftware/web4rail/tiles/TurnoutLN.java

@@ -10,6 +10,7 @@ public class TurnoutLN extends TurnoutL{
 
 	@Override
 	public Map<Connector, State> connections(Direction from) {
+		if (isNull(from) || oneWay == from) return new HashMap<>();
 		switch (from) {
 			case NORTH:
 				return Map.of(new Connector(x,y+1,Direction.NORTH),State.STRAIGHT,new Connector(x+1, y, Direction.WEST),State.LEFT);