Error executing template "Designs/deBisschop_generated/Navigation/Breadcrumbs.cshtml"
System.ArgumentException: An item with the same key has already been added.
at System.ThrowHelper.ThrowArgumentException(ExceptionResource resource)
at System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add)
at Dynamicweb.Ecommerce.Products.GroupRelation.GetGroupRelationsByChildId(String childId)
at Dynamicweb.Ecommerce.Products.Group.get_IsTopGroup()
at Dynamicweb.Ecommerce.Shops.Shop.GetTopLevelGroups(String languageId)
at Dynamicweb.Ecommerce.Frontend.Navigation.GroupNavigationTreeNodeProvider.GetGroupsBySettings(PageNavigationSettings ecomSettings)
at Dynamicweb.Ecommerce.Frontend.Navigation.GroupNavigationTreeNodeProvider.GetGroups(NavigationTreeNode parent, Page page)
at Dynamicweb.Ecommerce.Frontend.Navigation.GroupNavigationTreeNodeProvider.GetNodes(NavigationContext context, NavigationSettings settings, NavigationTreeNode parent)
at System.Linq.Enumerable.<SelectManyIterator>d__17`2.MoveNext()
at System.Linq.Enumerable.FirstOrDefault[TSource](IEnumerable`1 source, Func`2 predicate)
at Dynamicweb.Frontend.Navigation.NavigationService.FilterNodesByExpandMode(NavigationContext context, NavigationSettings settings, NavigationTreeNode parent, IEnumerable`1 nodes)
at Dynamicweb.Frontend.Navigation.NavigationService.GetNavigationNodes(NavigationContext context, NavigationSettings settings, NavigationTreeNode parent)
at Dynamicweb.Frontend.Navigation.NavigationTreeNodeViewModel.get_Nodes()
at CompiledRazorTemplates.Dynamic.RazorEngine_98c4ba6348b74bfcb912ed8ed80b237a.<>c__DisplayClass1_0.<RenderEcomNavigationNodes>b__0(TextWriter __razor_helper_writer) in E:\Dynamicweb.NET\Groco-DeBisschop\Production\host\files\Templates\Designs\deBisschop_generated\Navigation\Breadcrumbs.cshtml:line 106
at CompiledRazorTemplates.Dynamic.RazorEngine_98c4ba6348b74bfcb912ed8ed80b237a.Execute() in E:\Dynamicweb.NET\Groco-DeBisschop\Production\host\files\Templates\Designs\deBisschop_generated\Navigation\Breadcrumbs.cshtml:line 49
at RazorEngine.Templating.TemplateBase.RazorEngine.Templating.ITemplate.Run(ExecuteContext context, TextWriter reader)
at RazorEngine.Templating.RazorEngineService.RunCompile(ITemplateKey key, TextWriter writer, Type modelType, Object model, DynamicViewBag viewBag)
at RazorEngine.Templating.RazorEngineServiceExtensions.<>c__DisplayClass16_0.<RunCompile>b__0(TextWriter writer)
at RazorEngine.Templating.RazorEngineServiceExtensions.WithWriter(Action`1 withWriter)
at Dynamicweb.Rendering.RazorTemplateRenderingProvider.Render(Template template)
at Dynamicweb.Rendering.TemplateRenderingService.Render(Template template)
at Dynamicweb.Rendering.Template.RenderRazorTemplate()