Why don’t you do the calculations with (in) Dynamo (instead of a Schedule)?
Also you are trying to make a calculation with a System.String.
(The warning for the Element.SetParameterByName node)
Also the Schedule.GetCalculatedValues node isn’t working properly anymore.
This node is from the SteamNodes Package which isn’t updated.
You could use the nodes from Orchid (Package).
And lastly you can also sort your lists like this 
.
