Expression productCategory is undefined on line 27, column 10 in header.ftl. The problematic instruction: ---------- ==> ${productCategory.comments?if_exists} [on line 27, column 8 in header.ftl] ---------- Java backtrace for programmers: ---------- freemarker.core.InvalidReferenceException: Expression productCategory is undefined on line 27, column 10 in header.ftl. at freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:124) at freemarker.core.TemplateObject.invalidTypeException(TemplateObject.java:134) at freemarker.core.Dot._getAsTemplateModel(Dot.java:78) at freemarker.core.Expression.getAsTemplateModel(Expression.java:89) at freemarker.core.BuiltIn$if_existsBI._getAsTemplateModel(BuiltIn.java:676) at freemarker.core.Expression.getAsTemplateModel(Expression.java:89) at freemarker.core.Expression.getStringValue(Expression.java:93) at freemarker.core.DollarVariable.accept(DollarVariable.java:76) at freemarker.core.Environment.visit(Environment.java:196) at freemarker.core.MixedContent.accept(MixedContent.java:92) at freemarker.core.Environment.visit(Environment.java:196) at freemarker.core.IfBlock.accept(IfBlock.java:82) at freemarker.core.Environment.visit(Environment.java:196) at freemarker.core.MixedContent.accept(MixedContent.java:92) at freemarker.core.Environment.visit(Environment.java:196) at freemarker.core.Environment.process(Environment.java:176) at freemarker.template.Template.process(Template.java:231) at org.ofbiz.base.util.template.FreeMarkerWorker.renderTemplateAtLocation(FreeMarkerWorker.java:176) at org.ofbiz.widget.screen.HtmlWidget.renderHtmlTemplate(HtmlWidget.java:86) at org.ofbiz.widget.screen.HtmlWidget$HtmlTemplate.renderWidgetString(HtmlWidget.java:114) at org.ofbiz.widget.screen.HtmlWidget.renderWidgetString(HtmlWidget.java:73) at org.ofbiz.widget.screen.ModelScreenWidget$PlatformSpecific.renderWidgetString(ModelScreenWidget.java:802) at org.ofbiz.widget.screen.ModelScreenWidget.renderSubWidgetsString(ModelScreenWidget.java:157) at org.ofbiz.widget.screen.ModelScreenWidget$Section.renderWidgetString(ModelScreenWidget.java:250) at org.ofbiz.widget.screen.ModelScreen.renderScreenString(ModelScreen.java:142) at org.ofbiz.widget.screen.ModelScreenWidget$DecoratorScreen.renderWidgetString(ModelScreenWidget.java:496) at org.ofbiz.widget.screen.ModelScreenWidget.renderSubWidgetsString(ModelScreenWidget.java:157) at org.ofbiz.widget.screen.ModelScreenWidget$Section.renderWidgetString(ModelScreenWidget.java:250) at org.ofbiz.widget.screen.ModelScreen.renderScreenString(ModelScreen.java:142) at org.ofbiz.widget.screen.ModelScreenWidget$DecoratorScreen.renderWidgetString(ModelScreenWidget.java:496) at org.ofbiz.widget.screen.ModelScreenWidget.renderSubWidgetsString(ModelScreenWidget.java:157) at org.ofbiz.widget.screen.ModelScreenWidget$Section.renderWidgetString(ModelScreenWidget.java:250) at org.ofbiz.widget.screen.ModelScreen.renderScreenString(ModelScreen.java:142) at org.ofbiz.widget.screen.ScreenRenderer.render(ScreenRenderer.java:115) at org.ofbiz.widget.screen.ScreenRenderer.render(ScreenRenderer.java:100) at org.ofbiz.widget.screen.ScreenWidgetViewHandler.render(ScreenWidgetViewHandler.java:85) at org.ofbiz.webapp.control.RequestHandler.renderView(RequestHandler.java:589) at org.ofbiz.webapp.control.RequestHandler.doRequest(RequestHandler.java:374) at org.ofbiz.webapp.control.ControlServlet.doGet(ControlServlet.java:191) at javax.servlet.http.HttpServlet.service(HttpServlet.java:689) at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.ofbiz.webapp.control.ContextFilter.doFilter(ContextFilter.java:258) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:526) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:307) at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:385) at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:748) at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:678) at org.apache.jk.common.SocketConnection.runIt(ChannelSocket.java:871) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684) at java.lang.Thread.run(Thread.java:534) <html> <head> <title>Open For Business Message

:ERROR MESSAGE:

org.ofbiz.base.util.GeneralException: Error rendering screen [category]: org.ofbiz.base.util.GeneralException: Error rendering screen [ProductCatalogDecorator]: org.ofbiz.base.util.GeneralException: Error rendering screen [RootDecorator]: java.lang.RuntimeException: Error rendering included template at location [component://jonard-ecommerce/webapp/jonard-ecommerce/includes/header.ftl]: freemarker.core.InvalidReferenceException: Expression productCategory is undefined on line 27, column 10 in header.ftl. (Error rendering included template at location [component://jonard-ecommerce/webapp/jonard-ecommerce/includes/header.ftl]: freemarker.core.InvalidReferenceException: Expression productCategory is undefined on line 27, column 10 in header.ftl.) (Error rendering screen [RootDecorator]: java.lang.RuntimeException: Error rendering included template at location [component://jonard-ecommerce/webapp/jonard-ecommerce/includes/header.ftl]: freemarker.core.InvalidReferenceException: Expression productCategory is undefined on line 27, column 10 in header.ftl. (Error rendering included template at location [component://jonard-ecommerce/webapp/jonard-ecommerce/includes/header.ftl]: freemarker.core.InvalidReferenceException: Expression productCategory is undefined on line 27, column 10 in header.ftl.)) (Error rendering screen [ProductCatalogDecorator]: org.ofbiz.base.util.GeneralException: Error rendering screen [RootDecorator]: java.lang.RuntimeException: Error rendering included template at location [component://jonard-ecommerce/webapp/jonard-ecommerce/includes/header.ftl]: freemarker.core.InvalidReferenceException: Expression productCategory is undefined on line 27, column 10 in header.ftl. (Error rendering included template at location [component://jonard-ecommerce/webapp/jonard-ecommerce/includes/header.ftl]: freemarker.core.InvalidReferenceException: Expression productCategory is undefined on line 27, column 10 in header.ftl.) (Error rendering screen [RootDecorator]: java.lang.RuntimeException: Error rendering included template at location [component://jonard-ecommerce/webapp/jonard-ecommerce/includes/header.ftl]: freemarker.core.InvalidReferenceException: Expression productCategory is undefined on line 27, column 10 in header.ftl. (Error rendering included template at location [component://jonard-ecommerce/webapp/jonard-ecommerce/includes/header.ftl]: freemarker.core.InvalidReferenceException: Expression productCategory is undefined on line 27, column 10 in header.ftl.)))