Why the SUMIF formula does not work in Column W and Z?

Why does EXCEL SUMIF formula work correctly on one worksheet and not the other worksheets?
The formula for Column T works. The same formula in Column W and Z do not. Why??
See attached excel worksheet.
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Ejgil HedegaardCommented:
The reference for EclipseID in W is enclosed in ".." like this "[@EclipseID]", change that.
The sum columns Expr1 are text, not numbers, so the sum will always be 0.
Select the column Expr1, use Text to columns on the Data tab, Finish, and Excel change the text to numbers.
For column Z there are no match so sum is 0 for all.
See file.

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Microsoft Excel

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