The following exception occurs when using the contentStack bound to a unset property:

java.lang.IllegalArgumentException: ""
at javax.faces.component.UIComponentBase.findComponent(UIComponentBase.java:576)
at org.icefaces.mobi.component.contentstack.ContentStackRenderer.encodeScript(ContentStackRenderer.java:152)
at org.icefaces.mobi.component.contentstack.ContentStackRenderer.encodeEnd(ContentStackRenderer.java:132)
at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:881)
at org.icefaces.mobi.utils.JSFUtils.renderChild(JSFUtils.java:227)
at org.icefaces.mobi.component.splitpane.SplitPaneRenderer.encodeBegin(SplitPaneRenderer.java:61)
at javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:826)
at org.icefaces.mobi.utils.JSFUtils.renderChild(JSFUtils.java:221)
at org.icefaces.mobi.component.util.ViewRenderer.encodeChildren(ViewRenderer.java:35)
at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:851)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1779)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1782)
at org.icefaces.mobi.utils.JSFUtils.renderLayoutChild(JSFUtils.java:241)
at org.icefaces.mobi.component.pagepanel.PagePanelRenderer.encodeEnd(PagePanelRenderer.java:100)
at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:881)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1786)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1782)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1782)
at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:439)
at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:124)
at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:120)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:594)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:225)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:999)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:565)
at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1812)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)