Major Description
When Open User menu in Administator -> User cannot work. this error:
/openmeetings/wicket/bookmarkable/org.apache.wicket.markup.html.pages.InternalErrorPage
DEBUG 11-14 16:02:00.931 o.a.o.d.u.AuthLevelUtil:42 [0.0-5080-exec-7] - Level GroupAdmin :: [DENIED] DEBUG 11-14 16:02:00.939 o.a.o.d.u.AuthLevelUtil:42 [0.0-5080-exec-7] - Level GroupAdmin :: [DENIED] ERROR 11-14 16:02:00.968 o.a.w.DefaultExceptionMapper:170 [0.0-5080-exec-7] - Unexpected error occurred java.lang.NullPointerException: null at org.apache.wicket.markup.head.ResourceAggregator.renderDependencies(ResourceAggregator.java:240) at org.apache.wicket.markup.head.ResourceAggregator.recordHeaderItem(ResourceAggregator.java:226) at org.apache.wicket.markup.head.ResourceAggregator.render(ResourceAggregator.java:273) at org.apache.openmeetings.web.common.GeneralUserForm.renderHead(GeneralUserForm.java:187) at org.apache.wicket.Component.internalRenderHead(Component.java:2629) at org.apache.wicket.markup.renderStrategy.ChildFirstHeaderRenderStrategy$1.component(ChildFirstHeaderRenderStrategy.java:85) at org.apache.wicket.markup.renderStrategy.DeepChildFirstVisitor.visit(DeepChildFirstVisitor.java:96) at org.apache.wicket.markup.renderStrategy.DeepChildFirstVisitor.visit(DeepChildFirstVisitor.java:87) at org.apache.wicket.markup.renderStrategy.DeepChildFirstVisitor.visit(DeepChildFirstVisitor.java:87) at org.apache.wicket.markup.renderStrategy.DeepChildFirstVisitor.visit(DeepChildFirstVisitor.java:87) at org.apache.wicket.markup.renderStrategy.DeepChildFirstVisitor.visit(DeepChildFirstVisitor.java:87) at org.apache.wicket.markup.renderStrategy.DeepChildFirstVisitor.visit(DeepChildFirstVisitor.java:51) at org.apache.wicket.markup.renderStrategy.ChildFirstHeaderRenderStrategy.renderChildHeaders(ChildFirstHeaderRenderStrategy.java:94) at org.apache.wicket.markup.renderStrategy.ChildFirstHeaderRenderStrategy.renderHeader(ChildFirstHeaderRenderStrategy.java:57) at org.apache.wicket.page.PartialPageUpdate.writeHeaderContribution(PartialPageUpdate.java:555) at org.apache.wicket.page.XmlPartialPageUpdate.writeComponent(XmlPartialPageUpdate.java:69) at org.apache.wicket.page.PartialPageUpdate.writeComponents(PartialPageUpdate.java:263) at org.apache.wicket.page.PartialPageUpdate.writeTo(PartialPageUpdate.java:162) at org.apache.wicket.ajax.AjaxRequestHandler.respond(AjaxRequestHandler.java:384) at org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:912) at org.apache.wicket.request.RequestHandlerExecutor.execute(RequestHandlerExecutor.java:65) at org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:283) at org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:253) at org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:221) at org.apache.wicket.protocol.ws.AbstractUpgradeFilter.processRequestCycle(AbstractUpgradeFilter.java:70) at org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:204) at org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:286) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.red5.logging.LoggerContextFilter.doFilter(LoggerContextFilter.java:84) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:607) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:668) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:770) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1415) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748)
