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Holidaypark De Twee Bruggen

Meenkmolenweg 13, 7109 AH Winterswijk

0543 56 53 66   
info@detweebruggen.nl

KvK-nummer: 56439849
BTW-nummer: 004691520B01

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System.NullReferenceException: Object reference not set to an instance of an object.
   at Umbraco.Web.PropertyEditors.ValueConverters.MultiUrlPickerValueConverter.ConvertIntermediateToObject(IPublishedElement owner, IPublishedPropertyType propertyType, PropertyCacheLevel referenceCacheLevel, Object inter, Boolean preview) in D:\a\1\s\src\Umbraco.Web\PropertyEditors\ValueConverters\MultiUrlPickerValueConverter.cs:line 51
   at Umbraco.Core.Models.PublishedContent.PublishedPropertyType.ConvertInterToObject(IPublishedElement owner, PropertyCacheLevel referenceCacheLevel, Object inter, Boolean preview) in D:\a\1\s\src\Umbraco.Core\Models\PublishedContent\PublishedPropertyType.cs:line 221
   at Our.Umbraco.DocTypeGridEditor.Models.DetachedPublishedProperty.<.ctor>b__7_1()
   at System.Lazy`1.CreateValue()
   at System.Lazy`1.LazyInitValue()
   at Our.Umbraco.DocTypeGridEditor.Models.DetachedPublishedProperty.GetValue(String culture, String segment)
   at Umbraco.Web.PublishedPropertyExtension.Value[T](IPublishedProperty property, String culture, String segment, Fallback fallback, T defaultValue) in D:\a\1\s\src\Umbraco.Web\PublishedPropertyExtension.cs:line 64
   at Umbraco.Web.PublishedElementExtensions.Value[T](IPublishedElement content, String alias, String culture, String segment, Fallback fallback, T defaultValue) in D:\a\1\s\src\Umbraco.Web\PublishedElementExtensions.cs:line 144
   at ASP._Page_Views_Partials_Grid_Editors_DocTypeGridEditor_WidgetCard_cshtml.Execute() in D:\Domains\detweebruggen.nl\httpdocs\Views\Partials\Grid\Editors\DocTypeGridEditor\WidgetCard.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.Web.Mvc.ProfilingView.Render(ViewContext viewContext, TextWriter writer) in D:\a\1\s\src\Umbraco.Web\Mvc\ProfilingView.cs:line 25
   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:\Domains\detweebruggen.nl\httpdocs\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) in D:\a\1\s\src\Umbraco.Web\Mvc\ProfilingView.cs:line 25
   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:\Domains\detweebruggen.nl\httpdocs\Views\Partials\grid\editors\Base.cshtml:line 20