Commented Unassigned: cast error when trying to read a formula [9349]

Hi there. When I run the code that attached the link gives me a cast error when trying to read a formula.
Thank you
Hernan

[LINK](http://www.mediafire.com/download/7p274n5nmzkizle/WebTest.rar)
Comments: I don't see any errors with the following. It takes a while to compute the SUMIF because of the way it's constructed. No errors though. var wb = new XLWorkbook("sopos.xlsx"); var ws = wb.Worksheet("SOPOS"); Console.WriteLine(ws.Cell("H40").Value); // Prints 0 as Excel does.