Swift - Back in stock notification

Error executing template "Designs/Swift/Swift_Email/Paragraph/Swift_EmailMenu.cshtml"
System.NullReferenceException: Objektreferencen er ikke indstillet til en forekomst af et objekt.
   ved Dynamicweb.Frontend.ContentViewModelFactory.CreatePageInfoViewModel(Page page)
   ved CompiledRazorTemplates.Dynamic.RazorEngine_b790c3b30e344678949623526e8e7787.Execute() i C:\inetpub\wwwroot\plus-prod\Files\Templates\Designs\Swift\Swift_Email\Paragraph\Swift_EmailMenu.cshtml:linje 81
   ved RazorEngine.Templating.TemplateBase.RazorEngine.Templating.ITemplate.Run(ExecuteContext context, TextWriter reader)
   ved RazorEngine.Templating.RazorEngineService.RunCompile(ITemplateKey key, TextWriter writer, Type modelType, Object model, DynamicViewBag viewBag)
   ved RazorEngine.Templating.RazorEngineServiceExtensions.<>c__DisplayClass16_0.<RunCompile>b__0(TextWriter writer)
   ved RazorEngine.Templating.RazorEngineServiceExtensions.WithWriter(Action`1 withWriter)
   ved Dynamicweb.Rendering.RazorTemplateRenderingProvider.Render(Template template)
   ved Dynamicweb.Rendering.TemplateRenderingService.Render(Template template)
   ved Dynamicweb.Rendering.Template.RenderRazorTemplate()


  1     @inherits Dynamicweb.Rendering.ViewModelTemplate<Dynamicweb.Frontend.ParagraphViewModel>

@functions {
	private string GetFontStack()
	{
		return "font-family:initial,Arial,Helvetica Neue,Helvetica,sans-serif;";
	}

	private string GetTableReset()
	{
		return "border:0;margin:0;outline:0;padding:0;";
	}
}

@{
	var blockType = "menu_block";

	var page = Dynamicweb.Services.Pages.GetPage(Pageview.ID);
	var settings = Dynamicweb.Frontend.ContentViewModelFactory.CreatePageInfoViewModel(page?.Parent).Item;
	var blockId = Model.ID;
	var block = Model.Item;

	var emailContentThemeId = settings.GetRawValueString("EmailContentTheme");
	var emailContentThemeParagraph = emailContentThemeId != null && emailContentThemeId != string.Empty ? Dynamicweb.Services.Paragraphs.GetParagraph(Dynamicweb.Core.Converter.ToInt32(emailContentThemeId)) : null;
	var emailContentTheme = emailContentThemeParagraph != null && Dynamicweb.Frontend.ContentViewModelFactory.CreateParagraphInfoViewModel(emailContentThemeParagraph).Item.GetString("CssClassName") != string.Empty ? Dynamicweb.Frontend.ContentViewModelFactory.CreateParagraphInfoViewModel(emailContentThemeParagraph)?.Item : null;

	var rowId = Pageview.CurrentParagraph.GridRowId;
	var row = Dynamicweb.Services.Grids.GetGridRowById(rowId);
	var rowItem = Dynamicweb.Services.Items.GetItem(row.ItemType, row.ItemId);
	var rowThemeId = Dynamicweb.Core.Converter.ToString(rowItem["ColumnBackground"]);
	var rowThemeParagraph = rowThemeId != null && rowThemeId != string.Empty ? Dynamicweb.Services.Paragraphs.GetParagraph(Dynamicweb.Core.Converter.ToInt32(rowThemeId)) : null;
	var rowTheme = rowThemeParagraph != null && Dynamicweb.Frontend.ContentViewModelFactory.CreateParagraphInfoViewModel(rowThemeParagraph).Item.GetString("CssClassName") != string.Empty ? Dynamicweb.Frontend.ContentViewModelFactory.CreateParagraphInfoViewModel(rowThemeParagraph)?.Item : null;

	var blockThemeId = block.GetRawValueString("Theme");
	var blockThemeParagraph = blockThemeId != null && blockThemeId != string.Empty ? Dynamicweb.Services.Paragraphs.GetParagraph(Dynamicweb.Core.Converter.ToInt32(blockThemeId)) : null;
	var blockTheme = blockThemeParagraph != null && Dynamicweb.Frontend.ContentViewModelFactory.CreateParagraphInfoViewModel(blockThemeParagraph).Item.GetString("CssClassName") != string.Empty ? Dynamicweb.Frontend.ContentViewModelFactory.CreateParagraphInfoViewModel(blockThemeParagraph)?.Item : rowTheme is object ? rowTheme : emailContentTheme;

	string backgroundColor = blockTheme != null ? "background-color: " + blockTheme.GetString("BackgroundColor") + ";" : string.Empty;
	string foregroundColor = blockTheme != null ? "color:" + blockTheme.GetString("ForegroundColor", "inherit") + ";" : string.Empty;
	string borderColor = blockTheme != null ? blockTheme.GetString("BorderColor", "transparent") : string.Empty;
	string borders = block.GetRawValueString("Borders", "none");
	string borderThicknes = block.GetRawValueString("BorderThicknes", "0") + "px";
	string borderClass = string.Empty;

	switch (borders)
	{
		case "top":
			borderClass = $"border-top:{borderThicknes} solid {borderColor};";
			break;
		case "bottom":
			borderClass = $"border-bottom:{borderThicknes} solid {borderColor};";
			break;
		case "top-bottom":
			borderClass = $"border-top:{borderThicknes} solid {borderColor}; border-bottom:{borderThicknes} solid {borderColor}; border-left:0;border-right:0;";
			break;
		case "all":
			borderClass = $"border:{borderThicknes} solid {borderColor};";
			break;
	}

	string padding = block.GetRawValueString("Padding", "0");
	var menuItems = block.GetItems("MenuItems");
	var align = block.GetRawValueString("Align", "center");
	var layout = block.GetRawValueString("Layout", "horizontal");
	var fontSize = block.GetRawValueString("FontSize", "16");
}

<table id="@blockId" class="@blockType" align="@align" border="0" cellpadding="0" cellspacing="0" role="presentation" style="mso-table-lspace:0pt;mso-table-rspace:0pt;mso-line-height-rule:exactly;@GetTableReset()color:inherit;width:100%;@(backgroundColor)">
	<tbody>
		<tr style="@GetTableReset()">
			<td style="mso-table-lspace:0pt;mso-table-rspace:0pt;font-weight:400;text-align:@align;vertical-align:top;@(backgroundColor)@(foregroundColor)@GetTableReset()padding:@(padding)px;@(borderClass)font-size:@(fontSize)px;" width="100%">
				@if (menuItems != null)
				{
					var last = menuItems.Last();
					foreach (var item in menuItems)
					{
						var link = item.GetLink("Link")?.Url ?? null;
						var linkId = item.GetLink("Link").PageId;
						var itemSpacing = block.GetRawValueString("ItemSpacing", "16");
						var spacing = !item.Equals(last) ? itemSpacing : "0";
						var menuItem = Dynamicweb.Frontend.ContentViewModelFactory.CreatePageInfoViewModel(Dynamicweb.Services.Pages.GetPage(linkId));

						if (link != null)
						{
							<a href="@link" style="text-align:@align;@(layout == "vertical" ? $"display:block !important;width:100%;padding-bottom:{spacing}px;" : $"display:inline-block !important;padding-right:{spacing}px;")@(foregroundColor)text-decoration:none;@GetFontStack()" target="_blank">
								<strong style="@(foregroundColor)text-decoration:underline;font-weight:normal;@GetFontStack()">
									@menuItem.Name
								</strong>
							</a>
						}
					}
				}
				<!--[if mso]><br/><![endif]-->
			</td>
		</tr>
	</tbody>
</table>