I want to export a .rpt file, but I received a error
message..................

                CR.PrintFileName = "\\Masisnt2\Report\4102ra4l\4102ra4l" +
PR_WHNO + ".rpt"
                CR.ParameterFields(0) = "DATE_FROM='" + CHI_DATE + "'"
                CR.ParameterFields(1) = "DATE_TO='" + CHI_DATE + "'"
                CR.ParameterFields(2) = "WHNO='" + PR_WHNO + "'"
                CR.ReplaceSelectionFormula ("{WAREHOUSE_LOG.LG_UPDATE} in '"
& CHI_DATE & "' to '"
& CHI_DATE & "' and" _
                                                                &
"{WAREHOUSE_LOG.LG_WHNO} = '" & PR_WHNO & "' ")
                CR.Action = 1

Error Message:
               Run-time error '20553'
               Invalid parameter field name

Confused,

Jackie