Try this query,
SELECT T0.[DocNum], T0.[DocDate], T0.[CardCode], T0.[CardName], T1.[ItemCode], T1.[Dscription], T1.[Quantity], T2.[TrnspCode], T2.[TrnspName] FROM OPOR T0 INNER JOIN POR1 T1 ON T0.DocEntry = T1.DocEntry INNER JOIN OSHP T2 ON T0.TrnspCode = T2.TrnspCode WHERE T0.[DocStatus] = 'o' and T0.[DocType] = 'i'