Error executing template "Designs/Swift-v2/Paragraph/Swift-v2_ProductCatalogDetailsApp.cshtml"
System.NullReferenceException: Object reference not set to an instance of an object.
   at CompiledRazorTemplates.Dynamic.RazorEngine_3b7bbe9a94af469eb6df6b37b20f5f60.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) in /_/src/Application/Providers/Dynamicweb.Rendering.Providers.NetCore/Razor/RazorTemplateRenderingProvider.cs:line 68
   at Dynamicweb.Rendering.TemplateRenderingService.Render(Template template) in E:\dw10agent2\_w\3\s\src\Core\Dynamicweb.Core\Rendering\TemplateRenderingService.cs:line 14
   at Dynamicweb.Rendering.Template.RenderRazorTemplate() in E:\dw10agent2\_w\3\s\src\Core\Dynamicweb.Core\Rendering\Template.cs:line 805


  1     @inherits Dynamicweb.Rendering.ViewModelTemplate<Dynamicweb.Frontend.ParagraphViewModel>
@using Dynamicweb.Ecommerce.ProductCatalog
@{
	//Set default product data for use in Visual Editor
	if (Pageview.IsVisualEditorMode)
	{
		ProductViewModelSettings productSetting = new ProductViewModelSettings
		{
			LanguageId = Dynamicweb.Ecommerce.Common.Context.LanguageID,
			CurrencyCode = Dynamicweb.Ecommerce.Common.Context.Currency.Code,
			CountryCode = Dynamicweb.Ecommerce.Common.Context.Country.Code2,
			ShopId = Pageview.Area.EcomShopId
		};
	}
	else if (!Dynamicweb.Context.Current.Items.Contains("ProductDetails"))
	{
		ProductViewModel product = new ProductViewModel();
		Dynamicweb.Context.Current.Items.Add("ProductDetails", product);
	}
}
@if (Pageview.IsVisualEditorMode)
{
	<div class="alert alert-info" role="alert">
		<span>@Translate("Product catalog App: Edit this column to configure. (Product catalog app must be attached this paragraph)")</span>
	</div>
}
<div class="item_@Model.Item.SystemName.ToLower()">
	@Model.GetModuleOutput()
</div>

Error executing template "Designs/Swift-v2/Paragraph/Swift-v2_BackInStockNotification.cshtml"
System.NullReferenceException: Object reference not set to an instance of an object.
   at CompiledRazorTemplates.Dynamic.RazorEngine_92454f16f06147ffac359d3ca0e5f610.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) in /_/src/Application/Providers/Dynamicweb.Rendering.Providers.NetCore/Razor/RazorTemplateRenderingProvider.cs:line 68
   at Dynamicweb.Rendering.TemplateRenderingService.Render(Template template) in E:\dw10agent2\_w\3\s\src\Core\Dynamicweb.Core\Rendering\TemplateRenderingService.cs:line 14
   at Dynamicweb.Rendering.Template.RenderRazorTemplate() in E:\dw10agent2\_w\3\s\src\Core\Dynamicweb.Core\Rendering\Template.cs:line 805


  1     @inherits Dynamicweb.Rendering.ViewModelTemplate<Dynamicweb.Frontend.ParagraphViewModel>
@using System.Linq
@using Dynamicweb.Ecommerce
@using Dynamicweb.Ecommerce.ProductCatalog
@using Dynamicweb.Ecommerce.Products
@using Dynamicweb.Ecommerce.Stocks
@functions
{
	private static bool BackInStockRegisteredForUser(ProductViewModel product, string unitId = "", long stocklocationId = 0)
	{
		if (!Dynamicweb.Security.UserManagement.User.IsExtranetUserLoggedIn()) return false;
		Product productObject = Services.Products.GetProductById(product.Id, product.VariantId, product.LanguageId);
		StockLocation stockLocation = Services.StockService.GetStockLocation(stocklocationId);
		double unitStock = productObject.GetUnitStock(stockLocation, unitId);
		return unitStock <= 0d && ProductBackInStockNotification.BackInStockNotificationExists(productObject, unitId);
	}
}
@{
	ProductViewModel product = null;
	if (Dynamicweb.Context.Current.Items.Contains("ProductDetails"))
	{
		product = (ProductViewModel)Dynamicweb.Context.Current.Items["ProductDetails"];
	}
}
@if ((product is object && product.ProductType == Dynamicweb.Ecommerce.Products.ProductType.Stock))
{
	bool productInStock = product.StockLevel > 0 || product.NeverOutOfstock;
	if (!productInStock)
	{
		string notifiedMessage = Model.Item.GetString("NotifiedMessage");
		string notifiedMessageId = $"NotifiedMessage_item_{Model.Item.SystemName.ToLower()}_{product.Id}_{product.VariantId.Replace(".", "_")}";
		string horizontalAlign = Model.Item.GetRawValueString("HorizontalAlignment", "");
		horizontalAlign = horizontalAlign == "center" ? "justify-content-center" : horizontalAlign;
		horizontalAlign = horizontalAlign == "end" ? "justify-content-end" : horizontalAlign;
		horizontalAlign = horizontalAlign == "full" ? "" : horizontalAlign;
		string flexFill = Model.Item.GetRawValueString("HorizontalAlignment", "") == "full" ? "flex-fill" : "";
		string fullWidth = Model.Item.GetRawValueString("HorizontalAlignment", "") == "full" ? "w-100" : "";
		bool notificationRegisteredForUser = BackInStockRegisteredForUser(product);
		<div class="d-flex flex-row w-100 @horizontalAlign @fullWidth item_@Model.Item.SystemName.ToLower()">
			<div class="@horizontalAlign @fullWidth @(notificationRegisteredForUser ? "" : "d-none")" id="@notifiedMessageId">
				@notifiedMessage
			</div>
			@if (!notificationRegisteredForUser)
			{
				string notifyIcon = Model.Item.GetString("Icon");
				string notifyLabel = !notifyIcon.Contains("_none") ? "<span class=\"icon-2\">" + ReadFile(notifyIcon) + "</span>" : "";
				notifyLabel += " " + Translate("Notify me when available");
				string modalId = $"modal_item_{Model.Item.SystemName.ToLower()}_{product.Id}_{product.VariantId.Replace(".", "_")}";
				string formId = $"NotificationForm_item_{Model.Item.SystemName.ToLower()}_{product.Id}_{product.VariantId.Replace(".", "_")}";
				string notificationButtonId = $"NotificationButton_item_{Model.Item.SystemName.ToLower()}_{product.Id}_{product.VariantId.Replace(".", "_")}";
				string notificationOnClick = !Pageview.IsVisualEditorMode ? $"swift.BackInStockNotification.SubmitNotification('{formId}', '{modalId}', '{notifiedMessageId}', '{notificationButtonId}')" : "";
				string productPage = $"Default.aspx?ID={GetPageIdByNavigationTag("ProductDetailPage")}";
				<div class="d-flex @horizontalAlign @fullWidth js-input-group">
					<div class="input-group input-primary-button-group flex-nowrap">
						<button type="button" class="btn btn-primary @flexFill" data-dw-button="primary" id="@notificationButtonId" data-bs-toggle="modal" data-bs-target="#@modalId">
							<span class="text-nowrap d-flex align-items-center justify-content-center gap-2">
								@notifyLabel
							</span>
						</button>
					</div>
				</div>
				<div class="modal fade" id="@modalId" tabindex="-1" aria-labelledby="label_@modalId" aria-hidden="true">
					<div class="modal-dialog pt-8">
						<div class="modal-content">
							<div class="modal-header">
								<h5 class="modal-title" id="label_@modalId">@Translate("Back in stock")</h5>
								<button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="@Translate("Close")"></button>
							</div>
							<div class="modal-body">
								<form name="@product.Id" id="@formId" method="post" action="@productPage">
									<input type="hidden" name="ProductID" value="@product.Id" />
									<input type="hidden" name="VariantID" value="@product.VariantId" />
									<input type="hidden" name="LanguageID" value="@product.LanguageId" />
									<input type="hidden" name="CartCmd" value="createnotificationforthisproduct" />
									<div class="m-2">
										@Translate("Send me an email when the product is in stock.")
									</div>
									<div class="form-floating m-2">
										<input class="form-control" type="text" id="NotificationEmail" value="@(Pageview.User != null ? Pageview.User.Email : "")" name="NotificationEmail" placeholder="@Translate("Email")" required="required" aria-required="aria-required" />
										<label for="NotificationEmail" class="form-label">@Translate("Email")</label>
									</div>
								</form>
							</div>
							<div class="modal-footer">
								<button type="button" class="btn btn-primary" data-dw-button="primary" onclick="@notificationOnClick">@Translate("Submit")</button>
							</div>
						</div>
					</div>
				</div>
			}
		</div>
	}
}
else if (Pageview.IsVisualEditorMode)
{
	<div class="alert alert-dark m-0">@Translate("Back in stock notification will be shown here")</div>
}

Error executing template "Designs/Swift-v2/Paragraph/Swift-v2_BackInStockNotification.cshtml"
System.NullReferenceException: Object reference not set to an instance of an object.
   at CompiledRazorTemplates.Dynamic.RazorEngine_92454f16f06147ffac359d3ca0e5f610.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) in /_/src/Application/Providers/Dynamicweb.Rendering.Providers.NetCore/Razor/RazorTemplateRenderingProvider.cs:line 68
   at Dynamicweb.Rendering.TemplateRenderingService.Render(Template template) in E:\dw10agent2\_w\3\s\src\Core\Dynamicweb.Core\Rendering\TemplateRenderingService.cs:line 14
   at Dynamicweb.Rendering.Template.RenderRazorTemplate() in E:\dw10agent2\_w\3\s\src\Core\Dynamicweb.Core\Rendering\Template.cs:line 805


  1     @inherits Dynamicweb.Rendering.ViewModelTemplate<Dynamicweb.Frontend.ParagraphViewModel>
@using System.Linq
@using Dynamicweb.Ecommerce
@using Dynamicweb.Ecommerce.ProductCatalog
@using Dynamicweb.Ecommerce.Products
@using Dynamicweb.Ecommerce.Stocks
@functions
{
	private static bool BackInStockRegisteredForUser(ProductViewModel product, string unitId = "", long stocklocationId = 0)
	{
		if (!Dynamicweb.Security.UserManagement.User.IsExtranetUserLoggedIn()) return false;
		Product productObject = Services.Products.GetProductById(product.Id, product.VariantId, product.LanguageId);
		StockLocation stockLocation = Services.StockService.GetStockLocation(stocklocationId);
		double unitStock = productObject.GetUnitStock(stockLocation, unitId);
		return unitStock <= 0d && ProductBackInStockNotification.BackInStockNotificationExists(productObject, unitId);
	}
}
@{
	ProductViewModel product = null;
	if (Dynamicweb.Context.Current.Items.Contains("ProductDetails"))
	{
		product = (ProductViewModel)Dynamicweb.Context.Current.Items["ProductDetails"];
	}
}
@if ((product is object && product.ProductType == Dynamicweb.Ecommerce.Products.ProductType.Stock))
{
	bool productInStock = product.StockLevel > 0 || product.NeverOutOfstock;
	if (!productInStock)
	{
		string notifiedMessage = Model.Item.GetString("NotifiedMessage");
		string notifiedMessageId = $"NotifiedMessage_item_{Model.Item.SystemName.ToLower()}_{product.Id}_{product.VariantId.Replace(".", "_")}";
		string horizontalAlign = Model.Item.GetRawValueString("HorizontalAlignment", "");
		horizontalAlign = horizontalAlign == "center" ? "justify-content-center" : horizontalAlign;
		horizontalAlign = horizontalAlign == "end" ? "justify-content-end" : horizontalAlign;
		horizontalAlign = horizontalAlign == "full" ? "" : horizontalAlign;
		string flexFill = Model.Item.GetRawValueString("HorizontalAlignment", "") == "full" ? "flex-fill" : "";
		string fullWidth = Model.Item.GetRawValueString("HorizontalAlignment", "") == "full" ? "w-100" : "";
		bool notificationRegisteredForUser = BackInStockRegisteredForUser(product);
		<div class="d-flex flex-row w-100 @horizontalAlign @fullWidth item_@Model.Item.SystemName.ToLower()">
			<div class="@horizontalAlign @fullWidth @(notificationRegisteredForUser ? "" : "d-none")" id="@notifiedMessageId">
				@notifiedMessage
			</div>
			@if (!notificationRegisteredForUser)
			{
				string notifyIcon = Model.Item.GetString("Icon");
				string notifyLabel = !notifyIcon.Contains("_none") ? "<span class=\"icon-2\">" + ReadFile(notifyIcon) + "</span>" : "";
				notifyLabel += " " + Translate("Notify me when available");
				string modalId = $"modal_item_{Model.Item.SystemName.ToLower()}_{product.Id}_{product.VariantId.Replace(".", "_")}";
				string formId = $"NotificationForm_item_{Model.Item.SystemName.ToLower()}_{product.Id}_{product.VariantId.Replace(".", "_")}";
				string notificationButtonId = $"NotificationButton_item_{Model.Item.SystemName.ToLower()}_{product.Id}_{product.VariantId.Replace(".", "_")}";
				string notificationOnClick = !Pageview.IsVisualEditorMode ? $"swift.BackInStockNotification.SubmitNotification('{formId}', '{modalId}', '{notifiedMessageId}', '{notificationButtonId}')" : "";
				string productPage = $"Default.aspx?ID={GetPageIdByNavigationTag("ProductDetailPage")}";
				<div class="d-flex @horizontalAlign @fullWidth js-input-group">
					<div class="input-group input-primary-button-group flex-nowrap">
						<button type="button" class="btn btn-primary @flexFill" data-dw-button="primary" id="@notificationButtonId" data-bs-toggle="modal" data-bs-target="#@modalId">
							<span class="text-nowrap d-flex align-items-center justify-content-center gap-2">
								@notifyLabel
							</span>
						</button>
					</div>
				</div>
				<div class="modal fade" id="@modalId" tabindex="-1" aria-labelledby="label_@modalId" aria-hidden="true">
					<div class="modal-dialog pt-8">
						<div class="modal-content">
							<div class="modal-header">
								<h5 class="modal-title" id="label_@modalId">@Translate("Back in stock")</h5>
								<button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="@Translate("Close")"></button>
							</div>
							<div class="modal-body">
								<form name="@product.Id" id="@formId" method="post" action="@productPage">
									<input type="hidden" name="ProductID" value="@product.Id" />
									<input type="hidden" name="VariantID" value="@product.VariantId" />
									<input type="hidden" name="LanguageID" value="@product.LanguageId" />
									<input type="hidden" name="CartCmd" value="createnotificationforthisproduct" />
									<div class="m-2">
										@Translate("Send me an email when the product is in stock.")
									</div>
									<div class="form-floating m-2">
										<input class="form-control" type="text" id="NotificationEmail" value="@(Pageview.User != null ? Pageview.User.Email : "")" name="NotificationEmail" placeholder="@Translate("Email")" required="required" aria-required="aria-required" />
										<label for="NotificationEmail" class="form-label">@Translate("Email")</label>
									</div>
								</form>
							</div>
							<div class="modal-footer">
								<button type="button" class="btn btn-primary" data-dw-button="primary" onclick="@notificationOnClick">@Translate("Submit")</button>
							</div>
						</div>
					</div>
				</div>
			}
		</div>
	}
}
else if (Pageview.IsVisualEditorMode)
{
	<div class="alert alert-dark m-0">@Translate("Back in stock notification will be shown here")</div>
}

Error executing template "Designs/Swift-v2/Paragraph/Swift-v2_BackInStockNotification.cshtml"
System.NullReferenceException: Object reference not set to an instance of an object.
   at CompiledRazorTemplates.Dynamic.RazorEngine_92454f16f06147ffac359d3ca0e5f610.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) in /_/src/Application/Providers/Dynamicweb.Rendering.Providers.NetCore/Razor/RazorTemplateRenderingProvider.cs:line 68
   at Dynamicweb.Rendering.TemplateRenderingService.Render(Template template) in E:\dw10agent2\_w\3\s\src\Core\Dynamicweb.Core\Rendering\TemplateRenderingService.cs:line 14
   at Dynamicweb.Rendering.Template.RenderRazorTemplate() in E:\dw10agent2\_w\3\s\src\Core\Dynamicweb.Core\Rendering\Template.cs:line 805


  1     @inherits Dynamicweb.Rendering.ViewModelTemplate<Dynamicweb.Frontend.ParagraphViewModel>
@using System.Linq
@using Dynamicweb.Ecommerce
@using Dynamicweb.Ecommerce.ProductCatalog
@using Dynamicweb.Ecommerce.Products
@using Dynamicweb.Ecommerce.Stocks
@functions
{
	private static bool BackInStockRegisteredForUser(ProductViewModel product, string unitId = "", long stocklocationId = 0)
	{
		if (!Dynamicweb.Security.UserManagement.User.IsExtranetUserLoggedIn()) return false;
		Product productObject = Services.Products.GetProductById(product.Id, product.VariantId, product.LanguageId);
		StockLocation stockLocation = Services.StockService.GetStockLocation(stocklocationId);
		double unitStock = productObject.GetUnitStock(stockLocation, unitId);
		return unitStock <= 0d && ProductBackInStockNotification.BackInStockNotificationExists(productObject, unitId);
	}
}
@{
	ProductViewModel product = null;
	if (Dynamicweb.Context.Current.Items.Contains("ProductDetails"))
	{
		product = (ProductViewModel)Dynamicweb.Context.Current.Items["ProductDetails"];
	}
}
@if ((product is object && product.ProductType == Dynamicweb.Ecommerce.Products.ProductType.Stock))
{
	bool productInStock = product.StockLevel > 0 || product.NeverOutOfstock;
	if (!productInStock)
	{
		string notifiedMessage = Model.Item.GetString("NotifiedMessage");
		string notifiedMessageId = $"NotifiedMessage_item_{Model.Item.SystemName.ToLower()}_{product.Id}_{product.VariantId.Replace(".", "_")}";
		string horizontalAlign = Model.Item.GetRawValueString("HorizontalAlignment", "");
		horizontalAlign = horizontalAlign == "center" ? "justify-content-center" : horizontalAlign;
		horizontalAlign = horizontalAlign == "end" ? "justify-content-end" : horizontalAlign;
		horizontalAlign = horizontalAlign == "full" ? "" : horizontalAlign;
		string flexFill = Model.Item.GetRawValueString("HorizontalAlignment", "") == "full" ? "flex-fill" : "";
		string fullWidth = Model.Item.GetRawValueString("HorizontalAlignment", "") == "full" ? "w-100" : "";
		bool notificationRegisteredForUser = BackInStockRegisteredForUser(product);
		<div class="d-flex flex-row w-100 @horizontalAlign @fullWidth item_@Model.Item.SystemName.ToLower()">
			<div class="@horizontalAlign @fullWidth @(notificationRegisteredForUser ? "" : "d-none")" id="@notifiedMessageId">
				@notifiedMessage
			</div>
			@if (!notificationRegisteredForUser)
			{
				string notifyIcon = Model.Item.GetString("Icon");
				string notifyLabel = !notifyIcon.Contains("_none") ? "<span class=\"icon-2\">" + ReadFile(notifyIcon) + "</span>" : "";
				notifyLabel += " " + Translate("Notify me when available");
				string modalId = $"modal_item_{Model.Item.SystemName.ToLower()}_{product.Id}_{product.VariantId.Replace(".", "_")}";
				string formId = $"NotificationForm_item_{Model.Item.SystemName.ToLower()}_{product.Id}_{product.VariantId.Replace(".", "_")}";
				string notificationButtonId = $"NotificationButton_item_{Model.Item.SystemName.ToLower()}_{product.Id}_{product.VariantId.Replace(".", "_")}";
				string notificationOnClick = !Pageview.IsVisualEditorMode ? $"swift.BackInStockNotification.SubmitNotification('{formId}', '{modalId}', '{notifiedMessageId}', '{notificationButtonId}')" : "";
				string productPage = $"Default.aspx?ID={GetPageIdByNavigationTag("ProductDetailPage")}";
				<div class="d-flex @horizontalAlign @fullWidth js-input-group">
					<div class="input-group input-primary-button-group flex-nowrap">
						<button type="button" class="btn btn-primary @flexFill" data-dw-button="primary" id="@notificationButtonId" data-bs-toggle="modal" data-bs-target="#@modalId">
							<span class="text-nowrap d-flex align-items-center justify-content-center gap-2">
								@notifyLabel
							</span>
						</button>
					</div>
				</div>
				<div class="modal fade" id="@modalId" tabindex="-1" aria-labelledby="label_@modalId" aria-hidden="true">
					<div class="modal-dialog pt-8">
						<div class="modal-content">
							<div class="modal-header">
								<h5 class="modal-title" id="label_@modalId">@Translate("Back in stock")</h5>
								<button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="@Translate("Close")"></button>
							</div>
							<div class="modal-body">
								<form name="@product.Id" id="@formId" method="post" action="@productPage">
									<input type="hidden" name="ProductID" value="@product.Id" />
									<input type="hidden" name="VariantID" value="@product.VariantId" />
									<input type="hidden" name="LanguageID" value="@product.LanguageId" />
									<input type="hidden" name="CartCmd" value="createnotificationforthisproduct" />
									<div class="m-2">
										@Translate("Send me an email when the product is in stock.")
									</div>
									<div class="form-floating m-2">
										<input class="form-control" type="text" id="NotificationEmail" value="@(Pageview.User != null ? Pageview.User.Email : "")" name="NotificationEmail" placeholder="@Translate("Email")" required="required" aria-required="aria-required" />
										<label for="NotificationEmail" class="form-label">@Translate("Email")</label>
									</div>
								</form>
							</div>
							<div class="modal-footer">
								<button type="button" class="btn btn-primary" data-dw-button="primary" onclick="@notificationOnClick">@Translate("Submit")</button>
							</div>
						</div>
					</div>
				</div>
			}
		</div>
	}
}
else if (Pageview.IsVisualEditorMode)
{
	<div class="alert alert-dark m-0">@Translate("Back in stock notification will be shown here")</div>
}

Error executing template "Designs/Swift-v2/Paragraph/Swift-v2_BackInStockNotification.cshtml"
System.NullReferenceException: Object reference not set to an instance of an object.
   at CompiledRazorTemplates.Dynamic.RazorEngine_92454f16f06147ffac359d3ca0e5f610.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) in /_/src/Application/Providers/Dynamicweb.Rendering.Providers.NetCore/Razor/RazorTemplateRenderingProvider.cs:line 68
   at Dynamicweb.Rendering.TemplateRenderingService.Render(Template template) in E:\dw10agent2\_w\3\s\src\Core\Dynamicweb.Core\Rendering\TemplateRenderingService.cs:line 14
   at Dynamicweb.Rendering.Template.RenderRazorTemplate() in E:\dw10agent2\_w\3\s\src\Core\Dynamicweb.Core\Rendering\Template.cs:line 805


  1     @inherits Dynamicweb.Rendering.ViewModelTemplate<Dynamicweb.Frontend.ParagraphViewModel>
@using System.Linq
@using Dynamicweb.Ecommerce
@using Dynamicweb.Ecommerce.ProductCatalog
@using Dynamicweb.Ecommerce.Products
@using Dynamicweb.Ecommerce.Stocks
@functions
{
	private static bool BackInStockRegisteredForUser(ProductViewModel product, string unitId = "", long stocklocationId = 0)
	{
		if (!Dynamicweb.Security.UserManagement.User.IsExtranetUserLoggedIn()) return false;
		Product productObject = Services.Products.GetProductById(product.Id, product.VariantId, product.LanguageId);
		StockLocation stockLocation = Services.StockService.GetStockLocation(stocklocationId);
		double unitStock = productObject.GetUnitStock(stockLocation, unitId);
		return unitStock <= 0d && ProductBackInStockNotification.BackInStockNotificationExists(productObject, unitId);
	}
}
@{
	ProductViewModel product = null;
	if (Dynamicweb.Context.Current.Items.Contains("ProductDetails"))
	{
		product = (ProductViewModel)Dynamicweb.Context.Current.Items["ProductDetails"];
	}
}
@if ((product is object && product.ProductType == Dynamicweb.Ecommerce.Products.ProductType.Stock))
{
	bool productInStock = product.StockLevel > 0 || product.NeverOutOfstock;
	if (!productInStock)
	{
		string notifiedMessage = Model.Item.GetString("NotifiedMessage");
		string notifiedMessageId = $"NotifiedMessage_item_{Model.Item.SystemName.ToLower()}_{product.Id}_{product.VariantId.Replace(".", "_")}";
		string horizontalAlign = Model.Item.GetRawValueString("HorizontalAlignment", "");
		horizontalAlign = horizontalAlign == "center" ? "justify-content-center" : horizontalAlign;
		horizontalAlign = horizontalAlign == "end" ? "justify-content-end" : horizontalAlign;
		horizontalAlign = horizontalAlign == "full" ? "" : horizontalAlign;
		string flexFill = Model.Item.GetRawValueString("HorizontalAlignment", "") == "full" ? "flex-fill" : "";
		string fullWidth = Model.Item.GetRawValueString("HorizontalAlignment", "") == "full" ? "w-100" : "";
		bool notificationRegisteredForUser = BackInStockRegisteredForUser(product);
		<div class="d-flex flex-row w-100 @horizontalAlign @fullWidth item_@Model.Item.SystemName.ToLower()">
			<div class="@horizontalAlign @fullWidth @(notificationRegisteredForUser ? "" : "d-none")" id="@notifiedMessageId">
				@notifiedMessage
			</div>
			@if (!notificationRegisteredForUser)
			{
				string notifyIcon = Model.Item.GetString("Icon");
				string notifyLabel = !notifyIcon.Contains("_none") ? "<span class=\"icon-2\">" + ReadFile(notifyIcon) + "</span>" : "";
				notifyLabel += " " + Translate("Notify me when available");
				string modalId = $"modal_item_{Model.Item.SystemName.ToLower()}_{product.Id}_{product.VariantId.Replace(".", "_")}";
				string formId = $"NotificationForm_item_{Model.Item.SystemName.ToLower()}_{product.Id}_{product.VariantId.Replace(".", "_")}";
				string notificationButtonId = $"NotificationButton_item_{Model.Item.SystemName.ToLower()}_{product.Id}_{product.VariantId.Replace(".", "_")}";
				string notificationOnClick = !Pageview.IsVisualEditorMode ? $"swift.BackInStockNotification.SubmitNotification('{formId}', '{modalId}', '{notifiedMessageId}', '{notificationButtonId}')" : "";
				string productPage = $"Default.aspx?ID={GetPageIdByNavigationTag("ProductDetailPage")}";
				<div class="d-flex @horizontalAlign @fullWidth js-input-group">
					<div class="input-group input-primary-button-group flex-nowrap">
						<button type="button" class="btn btn-primary @flexFill" data-dw-button="primary" id="@notificationButtonId" data-bs-toggle="modal" data-bs-target="#@modalId">
							<span class="text-nowrap d-flex align-items-center justify-content-center gap-2">
								@notifyLabel
							</span>
						</button>
					</div>
				</div>
				<div class="modal fade" id="@modalId" tabindex="-1" aria-labelledby="label_@modalId" aria-hidden="true">
					<div class="modal-dialog pt-8">
						<div class="modal-content">
							<div class="modal-header">
								<h5 class="modal-title" id="label_@modalId">@Translate("Back in stock")</h5>
								<button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="@Translate("Close")"></button>
							</div>
							<div class="modal-body">
								<form name="@product.Id" id="@formId" method="post" action="@productPage">
									<input type="hidden" name="ProductID" value="@product.Id" />
									<input type="hidden" name="VariantID" value="@product.VariantId" />
									<input type="hidden" name="LanguageID" value="@product.LanguageId" />
									<input type="hidden" name="CartCmd" value="createnotificationforthisproduct" />
									<div class="m-2">
										@Translate("Send me an email when the product is in stock.")
									</div>
									<div class="form-floating m-2">
										<input class="form-control" type="text" id="NotificationEmail" value="@(Pageview.User != null ? Pageview.User.Email : "")" name="NotificationEmail" placeholder="@Translate("Email")" required="required" aria-required="aria-required" />
										<label for="NotificationEmail" class="form-label">@Translate("Email")</label>
									</div>
								</form>
							</div>
							<div class="modal-footer">
								<button type="button" class="btn btn-primary" data-dw-button="primary" onclick="@notificationOnClick">@Translate("Submit")</button>
							</div>
						</div>
					</div>
				</div>
			}
		</div>
	}
}
else if (Pageview.IsVisualEditorMode)
{
	<div class="alert alert-dark m-0">@Translate("Back in stock notification will be shown here")</div>
}

Error executing template "Designs/Swift-v2/Paragraph/Swift-v2_ProductComponentSlider.cshtml"
System.NullReferenceException: Object reference not set to an instance of an object.
   at CompiledRazorTemplates.Dynamic.RazorEngine_dbf6349755df40a8bb7f939dfdd4e00f.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) in /_/src/Application/Providers/Dynamicweb.Rendering.Providers.NetCore/Razor/RazorTemplateRenderingProvider.cs:line 68
   at Dynamicweb.Rendering.TemplateRenderingService.Render(Template template) in E:\dw10agent2\_w\3\s\src\Core\Dynamicweb.Core\Rendering\TemplateRenderingService.cs:line 14
   at Dynamicweb.Rendering.Template.RenderRazorTemplate() in E:\dw10agent2\_w\3\s\src\Core\Dynamicweb.Core\Rendering\Template.cs:line 805


  1     @inherits Dynamicweb.Rendering.ViewModelTemplate<Dynamicweb.Frontend.ParagraphViewModel>
@using Dynamicweb.Core
@using Dynamicweb.Ecommerce.ProductCatalog
@{
	AddScript("/Files/Templates/Designs/Swift-v2/Assets/lib/swiffy-slider/dist/js/swiffy-slider.min.js");
	AddStylesheet("/Files/Templates/Designs/Swift-v2/Assets/lib/swiffy-slider/dist/css/swiffy-slider.min.css");
	ProductViewModel product = null;
	if (Dynamicweb.Context.Current.Items.Contains("ProductDetails"))
	{
		product = (ProductViewModel)Dynamicweb.Context.Current.Items["ProductDetails"];
	}
	string layout = Model.Item.GetRawValueString("Layout") == "slider" ? "ProductSliderComponent" : "ProductGridComponent";
	string lazyHeight = Model.Item.GetBoolean("SetMinHeightForLazyLoading") ? "min-height: 360px" : "";
	//Link generation
	string pageId = Model.Item.GetLink("ProductSliderServicePage") != null ? Model.Item.GetLink("ProductSliderServicePage").PageId.ToString() : "";
	string servicePageByNavigationTag = GetPageIdByNavigationTag("ProductSliderService") != 0 ? GetPageIdByNavigationTag("ProductSliderService").ToString() : "";
	pageId = pageId == "" ? servicePageByNavigationTag : pageId;
	string url = "/Default.aspx?ID=" + pageId;
	if (Pageview.IsVisualEditorMode)
	{
		url += "&VisualEdit=True";
	}
	url += $"&ProductListPartial={layout}"; //Use this to render either a slider or a grid
	//Source type
	string sourceType = Model.Item.GetRawValueString("RelationType", "trending");
	IList<string> relateFromProductIds = new List<string> { };
	IList<string> relateFromProductVariantIds = new List<string> { };
	IList<string> relateFromGroupIds = new List<string> { };
	bool hasVariants = false;
	ProductListViewModel relateToViewModel = Model.Item.GetValue<ProductListViewModel>("RelateTo");
	//--- PRODUCTS ---
	if (sourceType == "variants" || sourceType == "frequently" || sourceType == "selected")
	{
		if (relateToViewModel?.Products != null)
		{
			hasVariants = relateToViewModel.Products.Any(p => !string.IsNullOrEmpty(p.VariantId));
			foreach (var fromProduct in relateToViewModel.Products)
			{
				if (hasVariants)
				{
					if (!string.IsNullOrEmpty(fromProduct.VariantId))
					{
						relateFromProductVariantIds.Add($"{fromProduct.Id} {fromProduct.VariantId}");
					}
					else
					{
						relateFromProductVariantIds.Add($"{fromProduct.Id}");
					}
				}
				relateFromProductIds.Add($"{fromProduct.Id}");
			}
		}
	}
	//--- GROUPS ---
	if (sourceType == "most-sold" || sourceType == "trending" || sourceType == "latest" || sourceType == "custom")
	{
		var groupsToRelateTo = Model.Item.GetList("RelateTo")?.GetRawValue().OfType<string>().ToList();
		if (groupsToRelateTo != null) {
			foreach (var fromGroup in groupsToRelateTo)
			{
				var groupId = fromGroup.Length > 2 ? fromGroup.Remove(0, 2) : fromGroup;
				if (!fromGroup.Contains("p_"))
				{
					relateFromGroupIds.Add(groupId);
				}
			}
		}
		if (relateToViewModel?.Products != null)
		{
			foreach (var fromProduct in relateToViewModel.Products)
			{
				var groupId = fromProduct.PrimaryOrDefaultGroup.Id;
				relateFromGroupIds.Add(groupId);
			}
		}
	}
	string relationGroupId = Model.Item.GetRawValueString("RelationGroup", string.Empty);
	//--- RELATED GROUP ---
	if (sourceType == "related")
	{
		if (relateToViewModel?.Products != null)
		{
			product = relateToViewModel.Products.FirstOrDefault();
		}
		if (product?.RelatedGroups != null)
		{
			foreach (var relationGroup in product.RelatedGroups)
			{
				if (relationGroup.Id == relationGroupId) {
					hasVariants = relationGroup.Products.Any(p => !string.IsNullOrEmpty(p.VariantId));
					foreach (var fromProduct in relationGroup.Products)
					{
						if (hasVariants)
						{
							if (!string.IsNullOrEmpty(fromProduct.VariantId))
							{
								relateFromProductVariantIds.Add($"{fromProduct.ProductId} {fromProduct.VariantId}");
							}
							else
							{
								relateFromProductVariantIds.Add($"{fromProduct.ProductId}");
							}
						}
						relateFromProductIds.Add($"{fromProduct.ProductId}");
					}
				}
			}
		}
	}
	//Create group id collection and products id collection strings
	string productIds = relateFromProductIds.Count > 0 ? string.Join(",", relateFromProductIds) : "";
	string productVariantIds = relateFromProductVariantIds.Count > 0 ? string.Join(",", relateFromProductVariantIds) : "";
	string groupIds = relateFromGroupIds.Count > 0 ? string.Join(",", relateFromGroupIds) : "";
	if (product is object)
	{
		if (string.IsNullOrEmpty(productIds) && (sourceType == "variants" || sourceType == "frequently" || sourceType == "selected" || sourceType == "custom"))
		{
			productIds = product.Id;
		}
		if (string.IsNullOrEmpty(groupIds) && (sourceType == "most-sold" || sourceType == "trending" || sourceType == "latest"))
		{
			groupIds = product.PrimaryOrDefaultGroup.Id;
		}
	}
}
@*Container element for the request*@
@if (!string.IsNullOrEmpty(productIds) || !string.IsNullOrEmpty(groupIds) || (string.IsNullOrEmpty(productIds) && string.IsNullOrEmpty(groupIds) && sourceType != "related"))
{
	<form method="post" action="@url" id="ComponentSliderProductsForm_@Model.ID" data-response-target-element="ComponentSliderProducts_@Model.ID" data-preloader="inline" data-update-url="false" class="item_@Model.Item.SystemName.ToLower()">
		<input type="hidden" name="ParagraphId" value="@Model.ID" />
		<input type="hidden" name="SortOrder" value="DESC">
		<input type="hidden" name="SourceType" value="@sourceType">
		@if (!string.IsNullOrEmpty(groupIds))
		{
			<input type="hidden" name="GroupId" value="@groupIds">
		}
		@if (sourceType != "frequently" && sourceType != "variants" && !string.IsNullOrEmpty(productIds) && !hasVariants)
		{
			<input type="hidden" name="MainProductId" value="@productIds">
		}
		@if (sourceType != "frequently" && hasVariants)
		{
			<input type="hidden" name="ProductVariantId" value="@productVariantIds">
		}
		@if (Model.Item.GetInt32("ProductsCount") != 0)
		{
			<input type="hidden" name="PageSize" value="@Model.Item.GetInt32("ProductsCount")">
		}
		@if (sourceType == "variants")
		{
			<input type="hidden" name="MasterProductID" value="@productIds">
			<input type="hidden" name="isVariant" value="true">
		}
		@if (sourceType == "most-sold")
		{
			<input type="hidden" name="SortBy" value="OrderCount">
		}
		@if (sourceType == "trending")
		{
			<input type="hidden" name="SortBy" value="OrderCountGrowth">
		}
		@if (sourceType == "frequently" && !string.IsNullOrEmpty(productIds))
		{
			<input type="hidden" name="BoughtWithProductIds" value="[@productIds]">
		}
		@if (sourceType == "latest")
		{
			<input type="hidden" name="SortBy" value="Created">
		}
	</form>
	<div class="w-100 h-100" data-dw-colorscheme="@Model.ColorScheme?.Id">
		<div id="ComponentSliderProducts_@Model.ID" class="h-100" style="@lazyHeight"></div>
	</div>
	<script type="module">
		const productSliderContainer = document.querySelector("#ComponentSliderProducts_@Model.ID");
		const productSliderForm = document.querySelector("#ComponentSliderProductsForm_@Model.ID");
		swift.PageUpdater.Update(productSliderForm);
		productSliderForm.addEventListener("updated.swift.pageupdater", function(e){
			if (e.detail.html === "") {
				productSliderContainer.closest("[data-col-size]").classList.add("d-none");
			}
		});
	</script>
}
else if (Pageview.IsVisualEditorMode == true)
{
	<div class="alert alert-dark" role="alert">
		<span>@Translate("Product component slider: The slider will be rendered here, if there is anything to show")</span>
	</div>
}