VelocityViewServlet : Error processing the template

java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
	at java.util.ArrayList.RangeCheck(ArrayList.java:546)
	at java.util.ArrayList.get(ArrayList.java:321)
	at sun.reflect.GeneratedMethodAccessor8045.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:267)
	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:197)
	at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:175)
	at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:220)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:230)
	at org.apache.velocity.Template.merge(Template.java:256)
	at org.apache.velocity.tools.view.servlet.VelocityViewServlet.performMerge(Unknown Source)
	at org.apache.velocity.tools.view.servlet.VelocityViewServlet.mergeTemplate(Unknown Source)
	at org.apache.velocity.tools.view.servlet.VelocityViewServlet.doRequest(Unknown Source)
	at org.apache.velocity.tools.view.servlet.VelocityViewServlet.doGet(Unknown Source)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:654)
	at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:557)
	at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:481)
	at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:968)
	at org.apache.jasper.runtime.PageContextImpl.include(PageContextImpl.java:609)
	at org.apache.struts.tiles.TilesUtilImpl.doInclude(TilesUtilImpl.java:101)
	at org.apache.struts.tiles.TilesUtil.doInclude(TilesUtil.java:137)
	at org.apache.struts.taglib.tiles.InsertTag.doInclude(InsertTag.java:758)
	at org.apache.struts.taglib.tiles.InsertTag$InsertHandler.doEndTag(InsertTag.java:890)
	at org.apache.struts.taglib.tiles.InsertTag.doEndTag(InsertTag.java:460)
	at org.apache.jsp.templates.layouts.walkonEventLayout_jsp._jspx_meth_tiles_005finsert_005f0(walkonEventLayout_jsp.java:102)
	at org.apache.jsp.templates.layouts.walkonEventLayout_jsp._jspService(walkonEventLayout_jsp.java:73)
	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:393)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:654)
	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:445)
	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:379)
	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:292)
	at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1056)
	at org.apache.struts.tiles.TilesRequestProcessor.doForward(TilesRequestProcessor.java:261)
	at org.apache.struts.tiles.TilesRequestProcessor.processTilesDefinition(TilesRequestProcessor.java:237)
	at org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(TilesRequestProcessor.java:300)
	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:231)
	at net.daum.clix.system.action.BaseTilesRequestProcessor.process(BaseTilesRequestProcessor.java:32)
	at net.daum.clix.adclix.base.action.BaseRequestProcessor.process(BaseRequestProcessor.java:92)
	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
	at net.daum.clix.system.action.BaseActionServlet.process(BaseActionServlet.java:32)
	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:654)
	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:445)
	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:379)
	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:292)
	at org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:694)
	at org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:665)
	at org.apache.jsp.walkon.event.index_jsp._jspService(index_jsp.java:54)
	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:393)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
	at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190)
	at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:283)
	at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:767)
	at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:697)
	at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:889)
	at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:686)
	at java.lang.Thread.run(Thread.java:595)