Error executing template "Designs/Swift/Paragraph/Swift_ProductFieldDisplayGroups.cshtml"
System.ArgumentException: An item with the same key has already been added. Key: GROUP173
   at System.Collections.Generic.Dictionary`2.TryInsert(TKey key, TValue value, InsertionBehavior behavior)
   at Dynamicweb.Ecommerce.ProductCategoryFieldService.GetCategoriesFromGroups(List`1 categories, HashSet`1& idsHash, IEnumerable`1 groups, Int32 currentLevel, Int32 minLevel, Nullable`1 maxLevel)
   at Dynamicweb.Ecommerce.ProductCategoryFieldService.GetCategoriesFromGroups(List`1 categories, HashSet`1& idsHash, IEnumerable`1 groups, Int32 currentLevel, Int32 minLevel, Nullable`1 maxLevel)
   at Dynamicweb.Ecommerce.ProductCatalog.ViewEngine.GetFieldDisplayGroupValues(ProductViewModelSettings settings, Product product, String languageID, Lazy`1 productIds)
   at Dynamicweb.Ecommerce.ProductCatalog.ViewEngine.<>c__DisplayClass11_1.<BulkCreateView>b__61()
   at System.Lazy`1.ViaFactory(LazyThreadSafetyMode mode)
   at System.Lazy`1.ExecutionAndPublication(LazyHelper executionAndPublication, Boolean useDefaultConstructor)
   at System.Lazy`1.CreateValue()
   at Dynamicweb.Ecommerce.ProductCatalog.ViewEngine.CreateProductFieldGroupsView(ProductViewModel model, IEnumerable`1 groupSystemNames, Boolean hideZeroValues)
   at CompiledRazorTemplates.Dynamic.RazorEngine_a8dcc95776344135b63ec0fe2df5f567.GetDisplayGroups(ProductViewModel product)
   at CompiledRazorTemplates.Dynamic.RazorEngine_a8dcc95776344135b63ec0fe2df5f567.ExecuteAsync()
   at RazorEngine.Templating.TemplateBase.Run(ExecuteContext context, TextWriter reader)
   at RazorEngine.Templating.RazorEngineCore.RunTemplate(ICompiledTemplate template, TextWriter writer, Object model, DynamicViewBag viewBag)
   at RazorEngine.Templating.RazorEngineService.Run(ITemplateKey key, TextWriter writer, Type modelType, Object model, DynamicViewBag viewBag)
   at RazorEngine.Templating.DynamicWrapperService.Run(ITemplateKey key, TextWriter writer, Type modelType, Object model, DynamicViewBag viewBag)
   at RazorEngine.Templating.RazorEngineServiceExtensions.Run(IRazorEngineService service, String name, TextWriter writer, Type modelType, Object model, DynamicViewBag viewBag)
   at RazorEngine.Templating.RazorEngineServiceExtensions.<>c__DisplayClass23_0.<Run>b__0(TextWriter writer)
   at RazorEngine.Templating.RazorEngineServiceExtensions.WithWriter(Action`1 withWriter)
   at RazorEngine.Templating.RazorEngineServiceExtensions.Run(IRazorEngineService service, String name, Type modelType, Object model, DynamicViewBag viewBag)
   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.ParagraphViewModel>
@using Dynamicweb.Ecommerce.ProductCatalog
@functions {
	ProductViewModel GetProduct()
	{
		ProductViewModel product = null;
		if (Dynamicweb.Context.Current.Items.Contains("ProductDetails"))
		{
			product = (ProductViewModel)Dynamicweb.Context.Current.Items["ProductDetails"];
		}
		return product;
	}
	List<FieldGroupViewModel> GetDisplayGroups(ProductViewModel product)
	{
		bool hideFieldsWithZeroValue = Model.Item.GetBoolean("HideFieldsWithZeroValue");
		var selectedDisplayGroupSystemName = Model.Item.GetList("DisplayGroups")?.GetRawValue().OfType<string>();
		var displayGroups = product.GetProductDisplayGroupFieldsByGroupSystemNames(selectedDisplayGroupSystemName, hideFieldsWithZeroValue);
		return displayGroups.ToList();
	}
	public static string FirstCharToUpper(string input)
	{
		return input[0].ToString().ToUpper() + input.Substring(1);
	}
}
@{
	ProductViewModel product = GetProduct();
	if (product is object)
	{
		string theme = !string.IsNullOrWhiteSpace(Model.Item.GetRawValueString("Theme")) ? " theme " + Model.Item.GetRawValueString("Theme").Replace(" ", "").Trim().ToLower() : "";
		string contentPadding = Model.Item.GetRawValueString("ContentPadding", "");
		contentPadding = contentPadding == "none" ? string.Empty : contentPadding;
		contentPadding = contentPadding == "small" ? " p-2 p-md-3" : contentPadding;
		contentPadding = contentPadding == "large" ? " p-4 p-md-5" : contentPadding;
		string size = "compact";
		string gapCss = size == "full" ? " gap-4" : " gap-2";
		var displayGroups = GetDisplayGroups(product);
		var templateParams = new Dictionary<string, object>
	{
				{ "Groups", displayGroups },
				{ "Size", size },
				{ "HideGroupHeaders", Model.Item.GetBoolean("HideGroupHeaders") },
				{ "HideTitle", Model.Item.GetBoolean("HideTitle") }
			};
		string templateLayout = Model.Item.GetRawValueString("Layout", "list");
		string templateLayoutPath = $"Components/Specifications/{FirstCharToUpper(templateLayout)}.cshtml";
		<div class="h-100@(theme)@(contentPadding) item_@Model.Item.SystemName.ToLower()">
			<div class="grid@(gapCss)">
				@RenderPartial(templateLayoutPath, Model, templateParams)
			</div>
		</div>
	}
	else
	{
		<div class="alert alert-warning m-0">@Translate("Product Specification will be shown here if any")</div>
	}
}