NPE when clicking on the various sample dashboard panels

Not sure which click produced the following NPE when displaying the different sample dashboard reports:

Error stack trace=java.lang.NullPointerException
at org.jboss.dashboard.workspace.PanelsManagerImpl$5.txFragment(PanelsManagerImpl.java:122)
at org.jboss.dashboard.database.hibernate.HibernateTransaction.executeFragment(HibernateTransaction.java:254)
at org.jboss.dashboard.database.hibernate.HibernateTxFragment.executeChild(HibernateTxFragment.java:194)
at org.jboss.dashboard.database.hibernate.HibernateTxFragment.execute(HibernateTxFragment.java:168)
at org.jboss.dashboard.workspace.PanelsManagerImpl.getPaneltByDbId(PanelsManagerImpl.java:111)
at org.jboss.dashboard.workspace.PanelsManagerImpl$Proxy$$$_WeldClientProxy.getPaneltByDbId(PanelsManagerImpl$Proxy$$$_WeldClientProxy.java)
at org.jboss.dashboard.ui.components.panelManagement.PanelManagementPanel.getPanel(PanelManagementPanel.java:115)
at org.jboss.dashboard.ui.components.panelManagement.PanelManagementPanel.beforeRenderComponent(PanelManagementPanel.java:93)
at org.jboss.dashboard.ui.taglib.factory.UseComponentTag.doEndTag(UseComponentTag.java:40)
at org.apache.jsp.configuration.tree.editPages.PanelAllPropertiesNodeEdit_jsp._jspx_meth_factory_005fuseComponent_005f0(PanelAllPropertiesNodeEdit_jsp.java:86)
at org.apache.jsp.configuration.tree.editPages.PanelAllPropertiesNodeEdit_jsp._jspService(PanelAllPropertiesNodeEdit_jsp.java:61)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:69)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:365)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:309)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:242)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:295)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:832)
at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:718)
at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:655)
at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:940)
at org.apache.jsp.configuration.show_jsp._jspService(show_jsp.java:373)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:69)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:365)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:309)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:242)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:295)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:832)
at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:718)
at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:655)
at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:940)
at org.apache.jasper.runtime.PageContextImpl.include(PageContextImpl.java:607)
at org.jboss.dashboard.ui.taglib.PaneTag.doEndTag(PaneTag.java:39)
at org.apache.jsp.envelopes.Teiid_005fEnvelope.full_jsp._jspx_meth_mvc_005fpane_005f0(full_jsp.java:276)
at org.apache.jsp.envelopes.Teiid_005fEnvelope.full_jsp._jspService(full_jsp.java:172)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:69)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:365)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:309)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:242)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:295)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:832)
at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:718)
at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:655)
at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:940)
at org.apache.jasper.runtime.PageContextImpl.include(PageContextImpl.java:607)
at org.jboss.dashboard.ui.taglib.JSPIncludeTag.doStartTag(JSPIncludeTag.java:77)
at org.apache.jsp.templates.standard_005ftemplate_jsp._jspService(standard_005ftemplate_jsp.java:131)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:69)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:365)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:309)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:242)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:295)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:832)
at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:718)
at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:655)
at org.jboss.dashboard.ui.controller.responses.ShowScreenResponse.execute(ShowScreenResponse.java:45)
at org.jboss.dashboard.ui.controller.requestChain.RequestRenderer.processRequest(RequestRenderer.java:31)
at org.jboss.dashboard.ui.controller.requestChain.RequestChainProcessor.doRequestProcessing(RequestChainProcessor.java:61)
at org.jboss.dashboard.ui.controller.requestChain.RequestChainProcessor.doRequestProcessing(RequestChainProcessor.java:63)
at org.jboss.dashboard.ui.controller.requestChain.RequestChainProcessor.doRequestProcessing(RequestChainProcessor.java:63)
at org.jboss.dashboard.ui.controller.ControllerServlet$4.txFragment(ControllerServlet.java:211)
at org.jboss.dashboard.database.hibernate.HibernateTransaction.executeFragment(HibernateTransaction.java:254)
at org.jboss.dashboard.database.hibernate.HibernateTxFragment.executeInitiator(HibernateTxFragment.java:179)
at org.jboss.dashboard.database.hibernate.HibernateTxFragment.execute(HibernateTxFragment.java:167)
at org.jboss.dashboard.ui.controller.ControllerServlet.processTheView(ControllerServlet.java:207)
at org.jboss.dashboard.ui.controller.ControllerServlet$2.doWork(ControllerServlet.java:169)
at org.jboss.dashboard.factory.Factory.runWork(Factory.java:295)
at org.jboss.dashboard.factory.Factory.doWork(Factory.java:323)
at org.jboss.dashboard.ui.controller.ControllerServlet.service(ControllerServlet.java:148)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:295)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:149)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:481)
at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:169)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:145)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:97)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:102)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:336)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:653)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:920)
at java.lang.Thread.run(Thread.java:722)