include QList supplied to see if error arrives like in 'Binder VM' - it does not; simple function defined to see if anyyerror comes up - it does not

app/datamodel.cpp

@@ -26,4 +26,9 @@ DataModel::DataModel()
     Kennfeld_Entfeuchtung = Kennfeld_Entfeuchtung_Default;
 
     Kennfeld_Ueberhitzung = Kennfeld_Ueberhitzung_Default;
-}
+}
+
+void* DataModel::CurrentData(void)
+{
+    return nullptr;
+}