2623 Bad argument involving %TVMID.%FLDID for ** operator.
An argument is non-numeric or an attempt has been made to evaluate 00 or 0(negative argument). Results are undefined for 00 and 0(negative value). The indicated field is a field in the expression.
The interpretative instruction processor.
The TvmId and FldId can be from the source or target row.
Change query to avoid bad use or **.