Hi there,
THE GIVENS:
The following query works fine:
SELECT tblProjectSteps.ProjectID, tblProjectSteps.StepID,...,
NZ(DSum("Total","tblPayments","ProjectID=" & [ProjectID] & " AND StepID =" & [StepID],0)+
NZ(DSum("Total","tblReceivables","ProjectID=" & [ProjectID] & " AND StepID =" &...