(for anyone who saw my other post about "IF THEN MATH" for calculating based on value in the date paid field, I have capitulated and added a "AmountPaid" field)
Now my problem is I cant seem to get "= Sum([FineAmount]-[AmountPaid])" to work, I get an error
"Your Query does not include the specified expression 'FinesID' as part of an aggregate function' (see image below)
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