SSRS Oracle数据日期参数不显示数据

Question

我有来自Oracle的查询报告，但我收到ORA-01036错误。如何解决此错误？

SELECT *
FROM qapsl.T00TESTSETPRODINFO a, qapsl.T00SET_FLEXMACHINEJOIST b, qapsl.T00SPEC_FLEXMACHINEJOIST c
WHERE a.setid = b.setid  
  AND b.Setid = C.setid
  AND ((:DateType = 'Prod' and manufdate between :DateFrom and :DateTo)
       OR  
       (:DateType = 'Test' and TestDate between :DateFrom and :DateTo))