Hi,
Try:
SELECT T0.[DocNum], T0.[DocDate], T0.[CardName],T0.[CashSum], T0.[CreditSum], T0.[TrsfrSum],T0.[DocTotal], T2.[DocNum], T2.[DocDate], T2.[CardName],T2.[DocTotal]
FROM ORCT T0 INNER JOIN RCT2 T1 ON T0.DocNum = T1.DocNum left join OINV T2 on t1.docentry = t2.docentry INNER JOIN INV1 T3 ON T2.DocEntry = T3.DocEntry WHERE T2.[DocDate] between [%0] and [%1] GROUP BY T0.[DocNum], T0.[DocDate], T0.[CardName],T0.[CashSum], T0.[CreditSum], T0.[TrsfrSum],T0.[DocTotal], T2.[DocNum], T2.[DocDate], T2.[CardName],T2.[DocTotal]