水晶报表下载失败

报错信息：Details:  [Database Vendor Code: 1722 ]---- Error code:-2147482925 Error code name:failed
at com.crystaldecisions.sdk.occa.report.lib.ReportSDKServerException.throwReportSDKServerException(Unknown Source)
at com.crystaldecisions.proxy.remoteagent.s.a(Unknown Source)
at com.crystaldecisions.sdk.occa.report.application.cf.a(Unknown Source)
at com.crystaldecisions.sdk.occa.report.application.ReportSource.a(Unknown Source)
at com.crystaldecisions.sdk.occa.report.application.ReportSource.a(Unknown Source)
at com.crystaldecisions.sdk.occa.report.application.ReportSource.export(Unknown Source)
at com.crystaldecisions.sdk.occa.report.application.AdvancedReportSource.export(Unknown Source)
at com.crystaldecisions.report.web.event.br.a(Unknown Source)
at com.crystaldecisions.report.web.event.w.a(Unknown Source)
at com.crystaldecisions.report.web.event.b7.broadcast(Unknown Source)
at com.crystaldecisions.report.web.event.av.a(Unknown Source)
at com.crystaldecisions.report.web.WorkflowController.do(Unknown Source)
at com.crystaldecisions.report.web.WorkflowController.doLifecycle(Unknown Source)
at com.crystaldecisions.report.web.ServerControl.a(Unknown Source)
at com.crystaldecisions.report.web.viewer.ReportExportControl.a(Unknown Source)
at com.crystaldecisions.report.web.ServerControl.processHttpRequest(Unknown Source)
at dpas.web.report.IServlet.exportReport(IServlet.java:368)
at dpas.web.report.ReportForNoReplySupplierList.doGet(ReportForNoReplySupplierList.java:180)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at dpas.web.report.ReportMappingServlet.doGet(ReportMappingServlet.java:20)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doService(StrictServletInstance.java:110)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._service(StrictLifecycleServlet.java:174)
at com.ibm.ws.webcontainer.servlet.IdleServletState.service(StrictLifecycleServlet.java:313)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service(StrictLifecycleServlet.java:116)
at com.ibm.ws.webcontainer.servlet.ServletInstance.service(ServletInstance.java:283)
at com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dispatch(ValidServletReferenceState.java:42)
at com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispatch(ServletInstanceReference.java:40)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:61)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch(WebAppRequestDispatcher.java:974)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDispatcher.java:564)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java:200)
at com.ibm.ws.webcontainer.srt.WebAppInvoker.doForward(WebAppInvoker.java:119)
at com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker.java:276)
at com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(CachedInvocation.java:71)
at com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchByURI(ServletRequestProcessor.java:182)
at com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListener.java:334)
at com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.java:56)
at com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java:618)
at com.ibm.ws.http.HttpConnection.run(HttpConnection.java:439)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:672)   
     求助各位大哥，是什么原因引起的？