org.zkoss.zk.ui.ComponentNotFoundException: Desktop not found: z_pbm
	at org.zkoss.zk.ui.impl.SimpleDesktopCache.getDesktop(SimpleDesktopCache.java:84)
	at org.zkoss.zssex.ui.UpdateBridge.findDesktop(UpdateBridge.java:89)
	at org.zkoss.zss.jsf.ui.impl.JSFComponentBase.getZKDesktop(JSFComponentBase.java:156)
	at org.zkoss.zss.jsf.ui.impl.JSFComponentBase.getZKComponent(JSFComponentBase.java:136)
	at org.zkoss.zss.jsf.ui.impl.JSFComponentBase.processUpdates(JSFComponentBase.java:377)
	at org.zkoss.zss.jsf.ui.JSFSpreadsheet.processUpdates(JSFSpreadsheet.java:112)
	at javax.faces.component.UIComponentBase.processUpdates(UIComponentBase.java:1242)
	at javax.faces.component.UIForm.processUpdates(UIForm.java:281)
	at javax.faces.component.UIComponentBase.processUpdates(UIComponentBase.java:1242)
	at javax.faces.component.UIComponentBase.processUpdates(UIComponentBase.java:1242)
	at javax.faces.component.UIViewRoot.processUpdates(UIViewRoot.java:1231)
	at com.sun.faces.lifecycle.UpdateModelValuesPhase.execute(UpdateModelValuesPhase.java:78)
	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
	at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:593)
	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:233)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:606)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
	at java.lang.Thread.run(Thread.java:662)