I am getting the same error in the following query in the Expression Builder:
=IIf(HIST_MIS_CDS!TYPGESS="","",IIf(HIST_MIS_CDS!TYPGESS<>HIST_CODE_TRANSLATION!SRC_CODE_DESC,"X",""))
The queries don't have a space in Expression Builder. Somehow, when I paste it here, a space seems to appear.
I...