Error executing template "Designs/Swift/Paragraph/Swift_ProductStaticVariants.cshtml"
System.NullReferenceException: Object reference not set to an instance of an object.
   at CompiledRazorTemplates.Dynamic.RazorEngine_4c97ab9eedf546cebcd11b14ba2a4345.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
@using Dynamicweb.Ecommerce.Variants
@using Dynamicweb.Frontend
@using System.IO
@{
	ProductViewModel product = null;
	if (Dynamicweb.Context.Current.Items.Contains("ProductDetails"))
	{
		product = (ProductViewModel)Dynamicweb.Context.Current.Items["ProductDetails"];
	}
	else if (Pageview.Page.Item["DummyProduct"] != null && Pageview.IsVisualEditorMode)
	{
		var pageViewModel = Dynamicweb.Frontend.ContentViewModelFactory.CreatePageInfoViewModel(Pageview.Page);
		ProductListViewModel productList = pageViewModel.Item.GetValue("DummyProduct") != null ? pageViewModel.Item.GetValue("DummyProduct") as ProductListViewModel : new ProductListViewModel();
		if (productList?.Products is object)
		{
			product = productList.Products[0];
		}
	}
}
@if (product is object)
{
	string horizontalAlign = Model.Item.GetRawValueString("HorizontalAlignment", "");
	horizontalAlign = horizontalAlign == "center" ? "align-items-center text-center" : horizontalAlign;
	horizontalAlign = horizontalAlign == "end" ? "align-items-end text-end" : horizontalAlign;
	bool hideGroupHeaders = Model.Item.GetBoolean("HideGroupHeaders");
	string variantsLayout = Model.Item.GetRawValueString("Layout", "images");
	bool isLazyLoadingForProductInfoEnabled = Dynamicweb.Core.Converter.ToBoolean(Dynamicweb.Context.Current.Items["IsLazyLoadingForProductInfoEnabled"]);
	string anonymousUsersLimitations = Pageview.AreaSettings.GetRawValueString("AnonymousUsers", "");
	bool anonymousUser = Pageview.User == null;
	bool hidePrice = anonymousUsersLimitations.Contains("price") && anonymousUser || Pageview.AreaSettings.GetBoolean("ErpDownHidePrices") && !Dynamicweb.Core.Converter.ToBoolean(Dynamicweb.Context.Current.Items["IsWebServiceConnectionAvailable"]);
	var selectedGroups = Model.Item.GetList("Groups")?.GetRawValue().OfType<string>();
	int showMaxVariants = Model.Item.GetInt32("MaxVariantsToRender") != 0 ? Model.Item.GetInt32("MaxVariantsToRender") : 1;
	if (product.VariantGroups().Count != 0)
	{
		<div class="d-flex flex-column @horizontalAlign item_@Model.Item.SystemName.ToLower()">
			@foreach (var variantGroup in product.VariantGroups())
			{
				int variantsCount = 0;
				string groupId = variantGroup.Id;
				var displayType = variantGroup.DisplayType;
				<div>
					@foreach (var selectedGroupId in selectedGroups)
					{
						if (!hideGroupHeaders && groupId == selectedGroupId)
						{
							<h3 class="h6 m-0">@variantGroup.Name</h3>
						}
					}
					<div class="d-flex gap-2 mb-2">
						@foreach (var variant in variantGroup.Options)
						{
							foreach (var selectedGroupId in selectedGroups)
							{
								if (groupId == selectedGroupId)
								{
									var optionsCount = variantGroup.Options.Count();
									if (variantsCount < showMaxVariants)
									{
										<article title="@product.Name @variant.Name @variant.Id" class="d-flex" style="z-index: 1">
											@{
												string defaultProductImage = Dynamicweb.Context.Current.Server.UrlEncode(product.DefaultImage.Value);
												string variantImage = Dynamicweb.Context.Current.Server.UrlEncode(variant.Image.Value);
												string defaultPrice = !hidePrice ? product.Price.PriceFormatted : "0";
												string variantPrice = !hidePrice ? product.Price.PriceFormatted : "0";
												displayType = displayType == VariantGroupDisplayType.NothingSelected && !string.IsNullOrEmpty(variant.Color) ? VariantGroupDisplayType.VariantColor : displayType;
												displayType = displayType == VariantGroupDisplayType.NothingSelected && string.IsNullOrEmpty(variant.OptionImage.Value) && string.IsNullOrEmpty(variant.Color) ? VariantGroupDisplayType.VariantName : displayType;
												displayType = displayType == VariantGroupDisplayType.NothingSelected && !string.IsNullOrEmpty(variant.OptionImage.Value) ? VariantGroupDisplayType.VariantOptionImage : displayType;
												if (variantsLayout == "images")
												{
													switch (displayType)
													{
														case VariantGroupDisplayType.VariantImage:
															if (isLazyLoadingForProductInfoEnabled)
															{
																<figure class="w-100 d-block m-0" data-price-formatted="" 
																		onmouseover="swift.StaticVariants.SwitchProduct(event, '@product.Id', this.getAttribute('data-price-formatted'), '@variantImage'); event.stopPropagation();" 
																		onmouseout="swift.StaticVariants.SwitchProduct(event, '@product.Id', this.getAttribute('data-price-formatted'), '@defaultProductImage')"
																		style="z-index: 1">
																	<div class="d-flex align-items-center justify-content-center">
																		<img src="/admin/public/GetImage.ashx?image=@variantImage&width=75&height=75&crop=5&FillCanvas=true&format=webp" height="75" width="75" class="p-1 text-small w-100 h-100" loading="lazy" decoding="async" alt="@product.Name, @variant.Name" style="z-index: 1">
																	</div>
																</figure>
															}
															else
															{
																<figure class="w-100 d-block m-0" 
																		onmouseover="swift.StaticVariants.SwitchProduct(event, '@product.Id', '@defaultPrice', '@variantImage')" 
																		onmouseout="swift.StaticVariants.SwitchProduct(event, '@product.Id', '@variantPrice', '@defaultProductImage')" 
																		style="z-index: 1">
																	<div class="d-flex align-items-center justify-content-center">
																		<img src="/admin/public/GetImage.ashx?image=@variantImage&width=75&height=75&crop=5&FillCanvas=true&format=webp" height="75" width="75" class="p-1 text-small w-100 h-100" loading="lazy" decoding="async" alt="@product.Name, @variant.Name">
																	</div>
																</figure>
															}
															break;
														case VariantGroupDisplayType.VariantColor:
															if (!string.IsNullOrEmpty(variant.Color))
															{
																<span class="colorbox border" style="background-color: @variant.Color"></span>
															}
															else if (!string.IsNullOrEmpty(variant.OptionImage.Value) && string.IsNullOrEmpty(variant.Color))
															{
																<img src="/Admin/Public/GetImage.ashx?image=@(variant.OptionImage.Value)&width=40&format=webp" class="border" style="width: 42px; height: 42px;">
															}
															else
															{
																<div class="d-flex align-items-center justify-content-center">
																	@variant.Name
																</div>
															}
															break;
														case VariantGroupDisplayType.VariantName:
															<div class="d-flex align-items-center justify-content-center">
																@variant.Name
															</div>
															break;
														case VariantGroupDisplayType.VariantOptionImage:
															if (!string.IsNullOrEmpty(variant.OptionImage.Value))
															{
																<img src="/Admin/Public/GetImage.ashx?image=@(variant.OptionImage.Value)&width=42&format=webp" style="width: 42px; height: 42px;">
															}
															else
															{
																<span class="colorbox border" style="background-color:@variant.Color;"></span>
															}
															break;
														case VariantGroupDisplayType.NothingSelected:
															<span class="colorbox border" style="background-color: @variant.Color"></span>
															break;
														default:
															<div class="d-flex align-items-center justify-content-center">
																@variant.Name
															</div>
															break;
													}
												}
												else if (variantsLayout == "swatches")
												{
													if (!string.IsNullOrEmpty(variant.Color))
													{
														<span class="colorbox colorbox-sm rounded-circle border me-1" style="background-color: @variant.Color" 
															onmouseover="swift.StaticVariants.SwitchProduct(event, '@product.Id', '@defaultPrice', '@variantImage')" 
															onmouseout="swift.StaticVariants.SwitchProduct(event, '@product.Id', '@variantPrice', '@defaultProductImage')">
														</span>
													}
													else if (!string.IsNullOrEmpty(variant.OptionImage.Value) && string.IsNullOrEmpty(variant.Color))
													{
														<span class="ratio ratio-1x1 colorbox-sm rounded-circle border me-1 overflow-hidden"
															onmouseover="swift.StaticVariants.SwitchProduct(event, '@product.Id', '@defaultPrice', '@variantImage')" 
															onmouseout="swift.StaticVariants.SwitchProduct(event, '@product.Id', '@variantPrice', '@defaultProductImage')">
															<img src="/Admin/Public/GetImage.ashx?image=@(variant.OptionImage.Value)&width=42&format=webp">
														</span>
													}
													else
													{
														<div class="d-flex align-items-center justify-content-center">
															@variant.Name
														</div>
													}
												}
												<div class="visually-hidden">
													<h4>@Translate("Variant Name")</h4>
													<p>@product.Name, @variant.Name</p>
													@if (!hidePrice)
													{
														<h4>@Translate("Variant Price")</h4>
														if (isLazyLoadingForProductInfoEnabled)
														{
															<p><span class="text-price js-text-price"></span></p>
														}
														else
														{
															<p><span class="text-price">@product.Price.PriceFormatted</span></p>
														}
													}
												</div>
											}
										</article>
										variantsCount++;
										if (variantsCount == showMaxVariants && optionsCount != showMaxVariants)
										{
											int left = optionsCount - showMaxVariants;
											<div class="variant-option ms-1 d-flex justify-content-center align-items-center">
												<span>+@left</span>
											</div>
										}
									}
								}
							}
						}
						@if (variantsCount == 0 && Pageview.IsVisualEditorMode)
						{
							<div class="alert alert-dark m-0">@Translate("No variants available")</div>
						}
					</div>
				</div>
			}
		</div>
	}
}
else if (Pageview.IsVisualEditorMode)
{
	<div class="alert alert-dark m-0">@Translate("No products available")</div>
}