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java.lang.Throwable: 	at com.crystaldecisions.reports.common.j.b.a(Unknown Source)	at com.crystaldecisions.reports.reportdefinition.datainterface.j.do(Unknown Source)	at com.crystaldecisions.reports.reportdefinition.datainterface.j.a(Unknown Source)	at com.crystaldecisions.reports.saveddata.a.g.int(Unknown Source)	at com.crystaldecisions.reports.saveddata.a.g.char(Unknown Source)	at com.crystaldecisions.reports.saveddata.a.g.try(Unknown Source)	at com.crystaldecisions.reports.saveddata.a.g.a(Unknown Source)	at com.crystaldecisions.reports.dataengine.i.f(Unknown Source)	at com.crystaldecisions.reports.dataengine.a5.a(Unknown Source)	at com.crystaldecisions.reports.formatter.formatter.objectformatter.bn.init(Unknown Source)	at com.crystaldecisions.reports.formatter.formatter.objectformatter.bn.if(Unknown Source)	at com.crystaldecisions.reports.formatter.formatter.d.k.init(Unknown Source)	at com.crystaldecisions.reports.formatter.formatter.d.o.init(Unknown Source)	at com.crystaldecisions.reports.formatter.formatter.d.o.a(Unknown Source)	at com.crystaldecisions.reports.formatter.a.b.a(Unknown Source)	at com.crystaldecisions.reports.formatter.a.b.a(Unknown Source)	at com.crystaldecisions.reports.reportengineinterface.g.a(Unknown Source)	at com.crystaldecisions.reports.reportengineinterface.JPEReportSource.export(Unknown Source)	at com.crystaldecisions.report.web.event.bn.a(Unknown Source)	at com.crystaldecisions.report.web.event.u.a(Unknown Source)	at com.crystaldecisions.report.web.component.g.for(Unknown Source)	at com.crystaldecisions.report.web.component.g.a(Unknown Source)	at com.crystaldecisions.report.web.component.g.if(Unknown Source)	at com.crystaldecisions.report.web.component.n.a(Unknown Source)	at com.crystaldecisions.report.web.event.b1.broadcast(Unknown Source)	at com.crystaldecisions.report.web.event.as.a(Unknown Source)	at com.crystaldecisions.report.web.WorkflowController.if(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 jsps.jrc__export__with__logon__and__parameters._jspService(_jrc__export__with__logon__and__parameters.java:256)	at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:56)	at oracle.jsp.runtimev2.JspPageTable.compileAndServe(JspPageTable.java:569)	at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:305)	at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:509)	at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:413)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)	at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:824)	at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:330)	at com.evermind.server.http.ServletRequestDispatcher.forward(ServletRequestDispatcher.java:222)	at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1069)	at org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:455)	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:279)	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)	at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)	at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:824)	at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:330)	at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:830)	at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:224)	at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:133)	at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:192)	at java.lang.Thread.run(Thread.java:534)