You were right. After rebuilding the document I can now calculate all
of the sheets in the workbook with no problems. I must have made a
typo somewhere in the first version. Is there a way to perform the
same function with worksheets that do not have linear names, such as
"Status, Monday, Tuesday, etc.?

The current version of the formula is:

=SUMPRODUCT(SUMIF(INDIRECT("'Sheet"&ROW(INDIRECT(" 1:16"))&"'!A11:A17"),A4,INDIRECT("'Sheet"&ROW(INDI RECT("1:16"))&"'!B11:B17")))


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bruce42
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