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java.lang.NullPointerException: 	at com.sun.faces.application.ApplicationImpl.createValueBinding(ApplicationImpl.java:443)	at javax.faces.webapp.UIComponentTag.setProperties(UIComponentTag.java:172)	at com.icesoft.faces.component.PanelGridTag.setProperties(PanelGridTag.java:117)	at javax.faces.webapp.UIComponentTag.createComponent(UIComponentTag.java:209)	at javax.faces.webapp.UIComponentClassicTagBase.createChild(UIComponentClassicTagBase.java:476)	at javax.faces.webapp.UIComponentClassicTagBase.findComponent(UIComponentClassicTagBase.java:660)	at javax.faces.webapp.UIComponentClassicTagBase.doStartTag(UIComponentClassicTagBase.java:1111)	at com.icesoft.faces.component.PanelGridTag.doStartTag(PanelGridTag.java:554)	at com.icesoft.faces.webapp.parser.Parser.executeJspLifecycle(Parser.java:196)	at com.icesoft.faces.webapp.parser.Parser.executeJspLifecycle(Parser.java:220)	at com.icesoft.faces.webapp.parser.Parser.executeJspLifecycle(Parser.java:220)	at com.icesoft.faces.webapp.parser.Parser.executeJspLifecycle(Parser.java:220)	at com.icesoft.faces.webapp.parser.Parser.executeJspLifecycle(Parser.java:220)	at com.icesoft.faces.webapp.parser.Parser.executeJspLifecycle(Parser.java:220)	at com.icesoft.faces.webapp.parser.Parser.parse(Parser.java:157)	at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:508)	at com.icesoft.faces.application.D2DViewHandler.renderView(D2DViewHandler.java:161)	at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106)	at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)	at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144)	at com.icesoft.faces.webapp.http.core.JsfLifecycleExecutor.apply(JsfLifecycleExecutor.java:18)	at com.icesoft.faces.webapp.http.core.PageServer$1.respond(PageServer.java:25)	at com.icesoft.faces.webapp.http.servlet.ServletRequestResponse.respondWith(ServletRequestResponse.java:161)	at com.icesoft.faces.webapp.http.servlet.ThreadBlockingAdaptingServlet$ThreadBlockingRequestResponse.respondWith(ThreadBlockingAdaptingServlet.java:36)	at com.icesoft.faces.webapp.http.core.PageServer.service(PageServer.java:30)	at com.icesoft.faces.webapp.http.core.MultiViewServer.service(MultiViewServer.java:56)	at com.icesoft.faces.webapp.http.common.standard.PathDispatcherServer$Matcher.serviceOnMatch(PathDispatcherServer.java:50)	at com.icesoft.faces.webapp.http.common.standard.PathDispatcherServer.service(PathDispatcherServer.java:19)	at com.icesoft.faces.webapp.http.servlet.ThreadBlockingAdaptingServlet.service(ThreadBlockingAdaptingServlet.java:19)	at com.icesoft.faces.webapp.http.servlet.EnvironmentAdaptingServlet.service(EnvironmentAdaptingServlet.java:63)	at com.icesoft.faces.webapp.http.servlet.MainSessionBoundServlet.service(MainSessionBoundServlet.java:139)	at com.icesoft.faces.webapp.http.servlet.SessionDispatcher.service(SessionDispatcher.java:53)	at com.icesoft.faces.webapp.http.servlet.PathDispatcher$Matcher.serviceOnMatch(PathDispatcher.java:52)	at com.icesoft.faces.webapp.http.servlet.PathDispatcher.service(PathDispatcher.java:29)	at com.icesoft.faces.webapp.http.servlet.MainServlet.service(MainServlet.java:82)	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:630)	at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:535)	at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:472)	at com.liferay.portlet.PortletRequestDispatcherImpl.dispatch(PortletRequestDispatcherImpl.java:302)	at com.liferay.portlet.PortletRequestDispatcherImpl.include(PortletRequestDispatcherImpl.java:122)	at com.icesoft.faces.webapp.http.portlet.MainPortlet.doInclude(MainPortlet.java:122)	at com.icesoft.faces.webapp.http.portlet.MainPortlet.doView(MainPortlet.java:55)	at javax.portlet.GenericPortlet.doDispatch(GenericPortlet.java:328)	at javax.portlet.GenericPortlet.render(GenericPortlet.java:233)	at com.sun.portal.portletcontainer.appengine.filter.FilterChainImpl.doFilter(FilterChainImpl.java:121)	at com.liferay.portal.kernel.portlet.PortletFilterUtil.doFilter(PortletFilterUtil.java:69)	at com.liferay.portal.kernel.servlet.PortletServlet.service(PortletServlet.java:96)	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:630)	at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:535)	at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:472)	at com.liferay.portlet.InvokerPortlet.invoke(InvokerPortlet.java:534)	at com.liferay.portlet.InvokerPortlet.invokeRender(InvokerPortlet.java:605)	at com.liferay.portlet.InvokerPortlet.render(InvokerPortlet.java:373)	at org.apache.jsp.html.portal.render_005fportlet_jsp._jspService(Unknown Source)	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:374)	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:337)	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:630)	at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:535)	at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:472)	at com.liferay.portal.util.PortalImpl.renderPortlet(PortalImpl.java:2290)	at com.liferay.portal.util.PortalUtil.renderPortlet(PortalUtil.java:749)	at com.liferay.portlet.layoutconfiguration.util.RuntimePortletUtil.processPortlet(RuntimePortletUtil.java:169)	at com.liferay.portlet.layoutconfiguration.util.RuntimePortletUtil.processPortlet(RuntimePortletUtil.java:104)	at com.liferay.portlet.layoutconfiguration.util.RuntimePortletUtil.processTemplate(RuntimePortletUtil.java:281)