这个异常是为何

USE [人保]GO/****** Object:  StoredProcedure [dbo].[SJ_JF_JGYL_DW]    Script Date: 02/24/2012 22:07:55 ******/SET ANSI_NULLS ONGOSET QUOTED_IDENTIFIER ONGO-- =============================================-- Author:        <Author,,Name>-- Create date: <Create Date,,>-- Description:    <Description,,>-- =============================================ALTER PROCEDURE [dbo].[SJ_JF_JGYL_DW]@FileName char(500)='N:\__SJ_JF_JGYL_DW2005-2011单位应缴实缴明细2.xls'ASBEGIN--sj_zf_xnhdeclare @s nvarchar(max)    -- SET NOCOUNT ON added to prevent extra result sets from    -- interfering with SELECT statements.    SET NOCOUNT ON;    -- Insert statements for procedure here--truncate table SJ_DB_FFMXset @s='SELECT XZDM,XZQHDM,TCQDM,DWBH,FKSSQ,DZRQ_DW,ZJFS,JFLX,JFJE_DW_YJ,JFJE_DW_SJ,JFJE_DWHGR,JFJS_DW,JFBL_DW,JFRS_YJ,JFRS_SJ,DZBZ_DW 'set @[email protected]+' FROM OpenDataSource( ''Microsoft.Jet.OLEDB.4.0'','set @[email protected]+'''Data [email protected]+';User ID=Admin;Password=;Extended properties=Excel 5.0'') ...[cnm$]'execute(@s)set @s='insert __SJ_JF_JGYL_DW [email protected]execute(@s)END