graphtable

src/ui/controller/LoadController.java

@@ -445,7 +445,7 @@ public class LoadController {
 	private void loadStatisticGraph(JsonElement jsonElement, HashMap<Integer, AbstractCpsObject> objDispatch) {
 		// TODO Auto-generated method stub
 		JsonObject object = jsonElement.getAsJsonObject();
-		model.setGraphTable(new Hashtable<>());
+		model.getGraphTable().clear();
 		model.getStatisticData().add(object);
 	}