improved error messages

src/main/java/de/srsoftware/web4rail/actions/FinishRoute.java

@@ -2,6 +2,7 @@ package de.srsoftware.web4rail.actions;
 
 import de.srsoftware.web4rail.BaseClass;
 import de.srsoftware.web4rail.Route;
+import de.srsoftware.web4rail.moving.Train;
 
 public class FinishRoute extends Action {
 
@@ -12,7 +13,9 @@ public class FinishRoute extends Action {
 	@Override
 	public boolean fire(Context context,Object cause) {
 		Route route = context.route();
-		if (isSet(route)) route.finish();
+		Train train = context.train();
+		if (isNull(train)) return false;
+		if (isSet(route)) route.finish(train);
 		return true;
 	}
 }