We recommend using the newest maintenance release of this version, 10.4.22, which contains additional fixes.
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When appending data to a .hyper extract that uses a SAS data source, the errors "Cannot find file, Replace with another?" and "Unable to append" occurred.
Sometimes, nested level of detail calculations in a workbook produced an "Error occurred communicating with the data source. No such column [Calculation_]." error message.
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