Repository still has data consistencies after running all checks

After running all consistency checks the repository still has inconsistencies. The error after the checks is:

20.04.2010 11:03:56 ERROR [org.hippoecm.frontend.plugins.cms.dashboard.EventModel.<init>():78] Could not parse event node null
20.04.2010 11:03:56 ERROR [org.apache.wicket.RequestCycle.logRuntimeException():1437] Exception in rendering component: [Component id = label]
org.apache.wicket.WicketRuntimeException: Exception in rendering component: [Component id = label]
at org.apache.wicket.Component.renderComponent(Component.java:2519)
at org.apache.wicket.markup.html.WebComponent.onRender(WebComponent.java:60)
at org.apache.wicket.Component.render(Component.java:2317)
at org.apache.wicket.MarkupContainer.renderNext(MarkupContainer.java:1297)
at org.apache.wicket.MarkupContainer.renderComponentTagBody(MarkupContainer.java:1476)
at org.apache.wicket.markup.html.link.AbstractLink.onComponentTagBody(AbstractLink.java:165)
at org.apache.wicket.Component.renderComponent(Component.java:2480)
at org.apache.wicket.MarkupContainer.onRender(MarkupContainer.java:1411)
at org.apache.wicket.Component.render(Component.java:2317)
at org.apache.wicket.MarkupContainer.renderNext(MarkupContainer.java:1297)
at org.apache.wicket.MarkupContainer.renderComponentTagBody(MarkupContainer.java:1476)
at org.apache.wicket.MarkupContainer.renderAssociatedMarkup(MarkupContainer.java:639)
at org.apache.wicket.markup.html.panel.Panel.onComponentTagBody(Panel.java:112)
at org.apache.wicket.Component.renderComponent(Component.java:2480)
at org.apache.wicket.MarkupContainer.onRender(MarkupContainer.java:1411)
at org.apache.wicket.Component.render(Component.java:2317)
at org.apache.wicket.MarkupContainer.renderNext(MarkupContainer.java:1297)
at org.apache.wicket.MarkupContainer.renderComponentTagBody(MarkupContainer.java:1476)
at org.apache.wicket.MarkupContainer.onComponentTagBody(MarkupContainer.java:1401)
at org.apache.wicket.Component.renderComponent(Component.java:2480)
at org.apache.wicket.MarkupContainer.onRender(MarkupContainer.java:1411)
at org.apache.wicket.Component.render(Component.java:2317)
at org.apache.wicket.markup.repeater.AbstractRepeater.renderChild(AbstractRepeater.java:119)
at org.apache.wicket.markup.repeater.AbstractRepeater.onRender(AbstractRepeater.java:100)
at org.apache.wicket.Component.render(Component.java:2317)
at org.apache.wicket.MarkupContainer.renderNext(MarkupContainer.java:1297)
at org.apache.wicket.MarkupContainer.renderComponentTagBody(MarkupContainer.java:1476)
at org.apache.wicket.MarkupContainer.renderAssociatedMarkup(MarkupContainer.java:639)
at org.apache.wicket.markup.html.panel.Panel.onComponentTagBody(Panel.java:112)
at org.apache.wicket.Component.renderComponent(Component.java:2480)
at org.apache.wicket.MarkupContainer.onRender(MarkupContainer.java:1411)
at org.apache.wicket.Component.render(Component.java:2317)
at org.apache.wicket.MarkupContainer.renderNext(MarkupContainer.java:1297)
at org.apache.wicket.MarkupContainer.renderComponentTagBody(MarkupContainer.java:1476)
at org.apache.wicket.MarkupContainer.renderAssociatedMarkup(MarkupContainer.java:639)
at org.apache.wicket.markup.html.panel.Panel.onComponentTagBody(Panel.java:112)
at org.apache.wicket.Component.renderComponent(Component.java:2480)
at org.apache.wicket.MarkupContainer.onRender(MarkupContainer.java:1411)
at org.apache.wicket.Component.render(Component.java:2317)
at org.apache.wicket.MarkupContainer.renderNext(MarkupContainer.java:1297)
at org.apache.wicket.MarkupContainer.renderComponentTagBody(MarkupContainer.java:1476)
at org.apache.wicket.MarkupContainer.onComponentTagBody(MarkupContainer.java:1401)
at org.apache.wicket.Component.renderComponent(Component.java:2480)
at org.apache.wicket.MarkupContainer.onRender(MarkupContainer.java:1411)
at org.apache.wicket.Component.render(Component.java:2317)
at org.apache.wicket.MarkupContainer.renderNext(MarkupContainer.java:1297)
at org.apache.wicket.MarkupContainer.renderComponentTagBody(MarkupContainer.java:1476)
at org.apache.wicket.MarkupContainer.onComponentTagBody(MarkupContainer.java:1401)
at org.apache.wicket.Component.renderComponent(Component.java:2480)
at org.apache.wicket.MarkupContainer.onRender(MarkupContainer.java:1411)
at org.apache.wicket.Component.render(Component.java:2317)
at org.apache.wicket.MarkupContainer.renderNext(MarkupContainer.java:1297)
at org.apache.wicket.MarkupContainer.renderComponentTagBody(MarkupContainer.java:1476)
at org.apache.wicket.MarkupContainer.renderAssociatedMarkup(MarkupContainer.java:639)
at org.apache.wicket.markup.html.panel.Panel.onComponentTagBody(Panel.java:112)
at org.apache.wicket.Component.renderComponent(Component.java:2480)
at org.apache.wicket.MarkupContainer.onRender(MarkupContainer.java:1411)
at org.apache.wicket.Component.render(Component.java:2317)
at org.apache.wicket.MarkupContainer.renderNext(MarkupContainer.java:1297)
at org.apache.wicket.MarkupContainer.renderComponentTagBody(MarkupContainer.java:1476)
at org.apache.wicket.MarkupContainer.renderAssociatedMarkup(MarkupContainer.java:639)
at org.apache.wicket.markup.html.panel.Panel.onComponentTagBody(Panel.java:112)
at org.apache.wicket.Component.renderComponent(Component.java:2480)
at org.apache.wicket.MarkupContainer.onRender(MarkupContainer.java:1411)
at org.apache.wicket.Component.render(Component.java:2317)
at org.apache.wicket.MarkupContainer.renderNext(MarkupContainer.java:1297)
at org.apache.wicket.MarkupContainer.renderAll(MarkupContainer.java:1427)
at org.apache.wicket.Page.onRender(Page.java:1470)
at org.apache.wicket.Component.render(Component.java:2317)
at org.apache.wicket.Page.renderPage(Page.java:904)
at org.apache.wicket.protocol.http.WebRequestCycle.redirectTo(WebRequestCycle.java:163)
at org.apache.wicket.request.target.component.PageRequestTarget.respond(PageRequestTarget.java:58)
at org.apache.wicket.request.AbstractRequestCycleProcessor.respond(AbstractRequestCycleProcessor.java:104)
at org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1181)
at org.apache.wicket.RequestCycle.step(RequestCycle.java:1252)
at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1353)
at org.apache.wicket.RequestCycle.request(RequestCycle.java:493)
at org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:355)
at org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:200)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.hippoecm.frontend.plugins.login.ConcurrentLoginFilter.doFilter(ConcurrentLoginFilter.java:54)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
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:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
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:849)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.IllegalArgumentException: Resource key must not be null
at org.apache.wicket.model.StringResourceModel.<init>(StringResourceModel.java:347)
at org.apache.wicket.model.StringResourceModel.<init>(StringResourceModel.java:287)
at org.hippoecm.frontend.plugins.cms.dashboard.EventModel$AssignmentWrapper.getObject(EventModel.java:190)
at org.apache.wicket.Component.getModelObject(Component.java:1558)

at org.apache.wicket.Component.getModelObjectAsString(Component.java:1580)
at org.apache.wicket.markup.html.basic.Label.onComponentTagBody(Label.java:111)
at org.apache.wicket.Component.renderComponent(Component.java:2480)
... 93 more

20.04.2010 11:10:25 ERROR [org.hippoecm.frontend.model.JcrItemModel.save():253] failed to build path of 2d029f9b-f3ad-4347-a124-733774b71117: 3d1c4628-5c44-475d-8b28-8d5fdcf53500 has no child entry for 2d029f9b-f3ad-4347-a124-733774b71117
20.04.2010 11:10:25 ERROR [org.hippoecm.frontend.model.JcrItemModel.save():253] failed to build path of ac0a41ae-0fdb-426e-a157-7baf1c29164c: 3d1c4628-5c44-475d-8b28-8d5fdcf53500 has no child entry for ac0a41ae-0fdb-426e-a157-7baf1c29164c
20.04.2010 11:10:25 ERROR [org.hippoecm.frontend.model.JcrItemModel.save():253] failed to build path of 40e529e7-2c66-4997-a1e1-d6f284dfcf38: 3d1c4628-5c44-475d-8b28-8d5fdcf53500 has no child entry for 40e529e7-2c66-4997-a1e1-d6f284dfcf38