SITEMAP

System.NullReferenceException: Object reference not set to an instance of an object.
   at Ziegler.Web.Helpers.Resolvers.NewsRoom.NewsRoomPdfUrlResolver.Resolve(UmbracoContext umbracoContext, IPublishedContent node)
   at Ziegler.Web.Helpers.Providers.Url.UrlNewsRoomItemLinkProvider.GetUrl(UmbracoContext umbracoContext, Int32 id, Uri current, UrlProviderMode mode)
   at Umbraco.Web.Routing.UrlProvider.<>c__DisplayClass3.<GetUrl>b__0(IUrlProvider provider)
   at System.Linq.Enumerable.WhereSelectArrayIterator`2.MoveNext()
   at System.Linq.Enumerable.FirstOrDefault[TSource](IEnumerable`1 source, Func`2 predicate)
   at Umbraco.Web.Routing.UrlProvider.GetUrl(Int32 id, Uri current, UrlProviderMode mode)
   at Umbraco.Web.Routing.UrlProvider.GetUrl(Int32 id)
   at Umbraco.Web.Models.PublishedContentBase.get_Url()
   at Umbraco.Core.Models.PublishedContent.PublishedContentWrapped.get_Url()
   at Umbraco.Web.Models.DynamicPublishedContent.get_Url()
   at Umbraco.Core.Models.PublishedContent.PublishedContentWrapped.get_Url()
   at Umbraco.Web.Models.DynamicPublishedContent.get_Url()
   at ASP._Page_Views_MacroPartials_HtmlSitemap_cshtml.<>c__DisplayClass3.<Traverse>b__2(TextWriter __razor_helper_writer)
   at System.Web.WebPages.HelperResult.WriteTo(TextWriter writer)
   at System.Web.WebPages.WebPageExecutingBase.WriteTo(TextWriter writer, HelperResult content)
   at ASP._Page_Views_MacroPartials_HtmlSitemap_cshtml.<>c__DisplayClass3.<Traverse>b__2(TextWriter __razor_helper_writer)
   at System.Web.WebPages.HelperResult.WriteTo(TextWriter writer)
   at System.Web.WebPages.WebPageExecutingBase.WriteTo(TextWriter writer, HelperResult content)
   at ASP._Page_Views_MacroPartials_HtmlSitemap_cshtml.<>c__DisplayClass3.<Traverse>b__2(TextWriter __razor_helper_writer)
   at System.Web.WebPages.HelperResult.WriteTo(TextWriter writer)
   at System.Web.WebPages.WebPageExecutingBase.WriteTo(TextWriter writer, HelperResult content)
   at ASP._Page_Views_MacroPartials_HtmlSitemap_cshtml.<>c__DisplayClass3.<Traverse>b__2(TextWriter __razor_helper_writer)
   at System.Web.WebPages.HelperResult.WriteTo(TextWriter writer)
   at System.Web.WebPages.WebPageBase.Write(HelperResult result)
   at CallSite.Target(Closure , CallSite , _Page_Views_MacroPartials_HtmlSitemap_cshtml , Object )
   at ASP._Page_Views_MacroPartials_HtmlSitemap_cshtml.Execute()
   at System.Web.WebPages.WebPageBase.ExecutePageHierarchy()
   at System.Web.Mvc.WebViewPage.ExecutePageHierarchy()
   at System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage)
   at System.Web.Mvc.RazorView.RenderView(ViewContext viewContext, TextWriter writer, Object instance)
   at System.Web.Mvc.BuildManagerCompiledView.Render(ViewContext viewContext, TextWriter writer)
   at Umbraco.Core.Profiling.ProfilingView.Render(ViewContext viewContext, TextWriter writer)
   at Umbraco.Web.Mvc.ControllerExtensions.RenderViewResultAsString(ControllerBase controller, ViewResultBase viewResult)
   at Umbraco.Web.Macros.PartialViewMacroEngine.Execute(MacroModel macro, IPublishedContent content)
   at Umbraco.Web.Macros.PartialViewMacroEngine.Execute(MacroModel macro, INode node)
   at umbraco.macro.LoadPartialViewMacro(MacroModel macro)
   at umbraco.macro.renderMacro(Hashtable pageElements, Int32 pageId)
   at Umbraco.Web.UmbracoComponentRenderer.RenderMacro(macro m, IDictionary`2 parameters, page umbracoPage)
   at Umbraco.Web.UmbracoComponentRenderer.RenderMacro(String alias, IDictionary`2 parameters, page umbracoPage)
   at Umbraco.Web.UmbracoComponentRenderer.RenderMacro(String alias, IDictionary`2 parameters)
   at Umbraco.Web.UmbracoHelper.RenderMacro(String alias, IDictionary`2 parameters)
   at ASP._Page_Views_Partials_grid_editors_macro_cshtml.Execute()
   at System.Web.WebPages.WebPageBase.ExecutePageHierarchy()
   at System.Web.Mvc.WebViewPage.ExecutePageHierarchy()
   at System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage)
   at System.Web.Mvc.RazorView.RenderView(ViewContext viewContext, TextWriter writer, Object instance)
   at System.Web.Mvc.BuildManagerCompiledView.Render(ViewContext viewContext, TextWriter writer)
   at Umbraco.Core.Profiling.ProfilingView.Render(ViewContext viewContext, TextWriter writer)
   at System.Web.Mvc.HtmlHelper.RenderPartialInternal(String partialViewName, ViewDataDictionary viewData, Object model, TextWriter writer, ViewEngineCollection viewEngineCollection)
   at System.Web.Mvc.Html.PartialExtensions.Partial(HtmlHelper htmlHelper, String partialViewName, Object model, ViewDataDictionary viewData)
   at System.Web.Mvc.Html.PartialExtensions.Partial(HtmlHelper htmlHelper, String partialViewName, Object model)
   at ASP._Page_Views_Partials_grid_editors_base_cshtml.Execute()