When you “calculate” this model, a required step to have Winflows analyze the system and determine if there are errors, I generate a lot of errors as shown below. The error message below shows 11 problems!! We’ve got our hands full trying to figure out what to do with this system. But before trying to correct these problems let’s look at the scale potential graph this program does such a good job with. That’s shown in the graphic below the error message box.