I am attempting to sum over a detail grouping on a specific field in Microsoft Access, and assign that sum to a field in the general grouping. When I try to run the report, I get an “Invalid Column Name” error with the detail field getting the error. Has anyone previously encountered this? If so, any ideas what might be causing it or how to solve it?
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Don’t name a field detail because that is a reserved word (used for a Form or Report property) in Access. See Problem names and reserved words in Access
Name the field something else. If changing the name is not an option, try enclosing the field name in square brackets to let Access know detail is a field rather than the report property.