Hi,
Please try this query,
SELECT T0.[Canceled],T0.[TrsfrAcct],T0.[DocNum] 'Outgoing Payment No.',T0.[DocDate] As 'Outgoing Payment Date', T0.[CardCode] As 'Customer No.', T0.[CardName] As 'Customer Name',T2.[NumAtCard] As 'Invoice No.', T2.[DocTotal] As 'Invoice Total',
T3.[NumAtCard] As 'Credit Memo No.',T3.[DocTotal] As 'Credit Memo Total', T1.[SumApplied] As 'Invoice Amt. Paid', T0.[TrsfrSum] As 'Outgoing Pmt. Total', T0.[TrsfrRef] As 'Amex Ref. No.',
CASE
T0.[TrsfrAcct] WHEN '_SYS00000000283' THEN 'American Express 2836'
END[Credit Card] , (T2.[NumAtCard] + ' \ ' + T3.[NumAtCard]) as CustRef,(T2.[DocTotal] + + T3.[DocTotal]) as Custtotal
FROM [dbo].[OVPM] T0
INNER JOIN [dbo].[VPM2] T1 ON T0.DocNum = T1.DocNum
INNER JOIN OPCH T2 ON T1.DocEntry = T2.DocEntry
INNER JOIN ORPC T3 ON T1.DocEntry = T3.DocEntry
WHERE T0.[DocDate] >=[%0] and T0.[DocDate] <=[%1] AND T0.[TrsfrAcct]='_SYS00000000283' AND T0.[Canceled]='N'
ORDER BY T0.[DocDate],T0.[CardName], T0.[TrsfrSum]
Thanks