Hi,
Try this :
SELECT T0.[CardCode], T0.[CardName], T0.[CreateDate],sum(T0.[Balance]), T1.[Name],T1.[FirstName], T1.[LastName], T1.[Position], T1.[E_MailL],T1.[U_TWBS_CWCnType], T1.[U_TWBS_CWRptDel]
FROM OCRD T0 INNER JOIN OCPR T1 ON T0.CardCode = T1.CardCode
WHERE T0.[Balance] <> 0
group by T0.[CardCode], T0.[CardName],T0.[CreateDate],T1.[Name],T1.[FirstName], T1.[LastName], T1.[Position], T1.[E_MailL]
Thanks & Regards,
Nagarajan