Onderwijsmagazine

ZinMag Jaaroverzicht 2021

Jaaroverzicht ZinMag 2021

System.NullReferenceException: Object reference not set to an instance of an object.
   at ASP._Page_Views_Partials_DocTypeGridEditor_ZINMAG2019_zinmag2019PublicatieLijstGridEditor_cshtml.Execute() in D:\wwwroot\_releases\Landstede.Websites.v8temp\0.0.33\Views\Partials\DocTypeGridEditor\ZINMAG2019\zinmag2019PublicatieLijstGridEditor.cshtml:line 23
   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.Web.Mvc.ProfilingView.Render(ViewContext viewContext, TextWriter writer)
   at System.Web.Mvc.Html.PartialExtensions.Partial(HtmlHelper htmlHelper, String partialViewName, Object model, ViewDataDictionary viewData)
   at Our.Umbraco.DocTypeGridEditor.Web.Extensions.HtmlHelperExtensions.RenderDocTypeGridEditorItem(HtmlHelper helper, IPublishedElement content, String editorAlias, String viewPath, String previewViewPath, Boolean isPreview)
   at ASP._Page_app_plugins_doctypegrideditor_render_DocTypeGridEditor_cshtml.Execute() in D:\wwwroot\_releases\Landstede.Websites.v8temp\0.0.33\app_plugins\doctypegrideditor\render\DocTypeGridEditor.cshtml:line 28
   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.Web.Mvc.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:\wwwroot\_releases\Landstede.Websites.v8temp\0.0.33\Views\Partials\grid\editors\Base.cshtml:line 20