Error executing template "Designs/Swift/Navigation/ProductGroupHeader.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.WhereSelectEnumerableIterator`2.MoveNext()
   at CompiledRazorTemplates.Dynamic.RazorEngine_73b48c5ba1174cf19c36855d2a0286c6.<>c__DisplayClass2_0.<GetActiveNode>b__0(TextWriter __razor_helper_writer) in D:\dynamicweb.net\Solutions\Mennt\tysse.cloud.dynamicweb-cms.com\files\Templates\Designs\Swift\Navigation\ProductGroupHeader.cshtml:line 42
   at CompiledRazorTemplates.Dynamic.RazorEngine_73b48c5ba1174cf19c36855d2a0286c6.Execute() in D:\dynamicweb.net\Solutions\Mennt\tysse.cloud.dynamicweb-cms.com\files\Templates\Designs\Swift\Navigation\ProductGroupHeader.cshtml:line 36
   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     @functions {
  4     	int count = 0;}
  5     
  6     @{ 
  7     	string titleFontSize = Model.Parameters["TitleFontSize"].ToString();
  8     	bool hideBreadcrumb = Model.Parameters.ContainsKey("HideBreadcrumb") ? Convert.ToBoolean(Model.Parameters["HideBreadcrumb"].ToString()) : false;
  9     }
 10     
 11     @helper GetNodes(IEnumerable<Dynamicweb.Frontend.Navigation.NavigationTreeNodeViewModel> nodes)
 12     {
 13     	foreach (var node in nodes)
 14     	{
 15     		if (!node.IsActive && node.InPath)
 16     		{
 17     			count++;
 18     			<li class="breadcrumb-item">@node.Name</li>
 19     
 20     			if (node.Nodes.Count() > 0)
 21     			{
 22     				{@GetNodes(node.Nodes)}
 23     			}
 24     		}
 25     	}
 26     }
 27     
 28     @if (!hideBreadcrumb) {
 29     	<nav aria-label="breadcrumb">
 30     		<ol class="breadcrumb mb-0 opacity-85">
 31     			@{@GetNodes(Model.Nodes)}
 32     		</ol>
 33     	</nav>
 34     }
 35     
 36     @{@GetActiveNode(Model.Nodes)}
 37     
 38     @helper GetActiveNode(IEnumerable<Dynamicweb.Frontend.Navigation.NavigationTreeNodeViewModel> nodes)
 39     {
 40     	string titleFontSize = Model.Parameters["TitleFontSize"].ToString();
 41     
 42     	foreach (var node in nodes)
 43     	{
 44     		if (node.IsActive && node.InPath)
 45     		{
 46     			count++;
 47     
 48     			<div>
 49     				<h1 class="@titleFontSize mb-0">@node.Name</h1>
 50     			</div>
 51     		}
 52     
 53     		if (node.Nodes.Count() > 0)
 54     		{
 55     			{@GetActiveNode(node.Nodes)}
 56     		}
 57     	}
 58     }
 59     
 60     @if (count == 0 && Pageview.IsVisualEditorMode)
 61     {
 62     	<h1 class="@titleFontSize mb-0">@Translate("Product groups")</h1>
 63     }
 64     else if (count == 0)
 65     {
 66     	<h1 class="@titleFontSize mb-0">@Translate("Products")</h1>
 67     }
 68