System.NullReferenceException: Object reference not set to an instance of an object.
   at haandbold.dk.Code.Utilities.ParseInternalLinks(String text, UrlProvider urlProvider)
   at haandbold.dk.Code.Utilities.ParseRteText(String text, UrlProvider urlProvider, Boolean cleanImages)
   at ASP._Page_Views_Partials_grid_editors_rte_cshtml.Execute() in D:\websites\haandbold.info\Views\Partials\grid\editors\rte.cshtml:line 6
   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 Umbraco.Core.Profiling.ProfilingView.Render(ViewContext viewContext, TextWriter writer)
   at System.Web.Mvc.Html.PartialExtensions.Partial(HtmlHelper htmlHelper, String partialViewName, Object model, ViewDataDictionary viewData)
   at ASP._Page_Views_Partials_grid_editors_base_cshtml.Execute() in D:\websites\haandbold.info\Views\Partials\grid\editors\base.cshtml:line 19