Error executing template "Designs/Rapido/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.Shops.Shop.get_TopLevelGroups(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_17e2ec73d6d94fe485ed603bbc5c617a.Execute() in D:\dynamicweb.net\Solutions\Nextech\Alphamega.staging.dynamicweb-cms.com\Files\Templates\Designs\Rapido\Navigation\Breadcrumbs.cshtml:line 3
   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()


  1     @inherits Dynamicweb.Rendering.ViewModelTemplate<Dynamicweb.Frontend.Navigation.NavigationTreeViewModel>
  2     
  3     @if (Model.Nodes.Count() > 0) {
  4         <ul class="breadcrumb dw-mod">
  5             @RenderNodes(Model.Nodes)
  6         </ul>
  7     }
  8     
  9     
 10     @helper RenderNodes(IEnumerable<Dynamicweb.Frontend.Navigation.NavigationTreeNodeViewModel> nodes)
 11     {
 12         foreach (var node in nodes)
 13         {
 14             <li class="breadcrumb__item @(node.IsActive ? "active" : "") dw-mod">
 15                 @*@if (node.Nodes.Count() > 0)
 16                 {
 17                     <a href="@node.Link" title="@node.Name">@node.Name</a>
 18                 }
 19                 else
 20                 {
 21                     <span class="dw-mod">@node.Name</span>
 22                 }*@ @*BG*@
 23     <a href="@node.Link" title="@node.Name">@node.Name</a>
 24             </li>
 25             @RenderNodes(node.Nodes)
 26         }
 27     }
 28     
 29     @helper RenderSchemaItem(IEnumerable<Dynamicweb.Frontend.Navigation.NavigationTreeNodeViewModel> nodes, int position)
 30     {
 31         foreach (var node in nodes)
 32         {
 33             <text>{
 34               "@@type": "ListItem",
 35               "position": @position,
 36               "name": "@node.Name",
 37               "item": "@(Dynamicweb.Context.Current.Request.Url.Scheme + "://" + Dynamicweb.Context.Current.Request.Url.Host +  node.Link)"
 38             }@(node.Nodes.Count() > 0 ? "," : "")</text>
 39             @RenderSchemaItem(node.Nodes, position + 1)
 40         }
 41     }
 42     <script type="application/ld+json">
 43         {
 44           "@@context": "https://schema.org",
 45           "@@type": "BreadcrumbList",
 46           "itemListElement": [@RenderSchemaItem(Model.Nodes, 1)]
 47         }
 48     </script>