Branding Stylesheet

Error executing template "Designs/ClientBase_generated/Paragraph/ProductDetailWidgetLongDescription.cshtml"
System.NullReferenceException: Object reference not set to an instance of an object.
   at CompiledRazorTemplates.Dynamic.RazorEngine_263282db37344f458e8a40a473b91b2c.Execute() in D:\dynamicweb.net\Solutions\Bluedesk\koksgroup.cloud.dynamicweb-cms.com\files\Templates\Designs\ClientBase_generated\Paragraph\ProductDetailWidgetLongDescription.cshtml:line 41
   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.ParagraphViewModel>
  2     
  3     @using Dynamicweb;
  4     @using Bluedesk.DynamicWeb.ItemTypes.BaseSolution.Configuration.AdvancedGrid.Elements;
  5     
  6     @using Bluedesk.DynamicWeb.ItemTypes.BaseSolution;
  7     @using Bluedesk.DynamicWeb.ItemTypes.BaseSolution.Frontend;
  8     
  9     @{
 10     	string paragraphID = Pageview.CurrentParagraph.ID.ToString();
 11     
 12     	ProductDetailWidgetLongDescription _data = Dynamicweb.Services.Items.GetItem("ProductDetailWidgetLongDescription", Model.ItemId).ToCodeFirstItem<ProductDetailWidgetLongDescription>() ?? new ProductDetailWidgetLongDescription();
 13     	ProductAndVariantsObj ProductAndVariants = (ProductAndVariantsObj)Dynamicweb.Context.Current.Session["ProductAndVariants"];
 14     
 15     	bool IsNotContentManager = false;
 16     	bool isVisualEditor = Pageview.IsVisualEditorMode;
 17     
 18     	if (isVisualEditor)
 19     	{
 20     		System.Web.HttpContext.Current.Session["PreviousPage"] = Pageview.Page.ID;
 21     		IsNotContentManager = (Dynamicweb.Security.UserManagement.User.GetCurrentBackendUser()?.Groups?.All(g => g.Name != "Content managers") ?? true);
 22     	}
 23     
 24     	if (ProductAndVariants != null && ProductAndVariants.ProductInfo != null && ProductAndVariants.ProductInfo.LongDescription != null)
 25     	{
 26     
 27     		<div id="@paragraphID" class="ProductLongDescription @_data.CssClass">
 28     			<div class="ProductLongDescription__header">@Translate("ProductDetailWidget.LongDescription.Header", "Productinformatie")</div>
 29     
 30     			<p>@ProductAndVariants.ProductInfo.LongDescription</p>
 31     		</div>
 32     
 33     		<style>
 34     			@_data.FontConfigurationProductName.InlineStyles
 35     		</style>
 36     
 37     	}
 38     	else
 39     	{
 40     
 41     		<script>console.dir(@ProductAndVariants.Template.Json)</script>
 42     
 43     		<placeholder id="@paragraphID" class="ProductLongDescription @_data.CssClass"></placeholder>
 44     
 45     		if (_data.HideTabWhenEmpty)
 46     		{
 47     			<script>
 48     
 49     				document.addEventListener('DOMContentLoaded', function () {
 50     
 51     					var Element = document.getElementById("@paragraphID");
 52     					console.dir(Element);
 53     					var parentElement = Element.closest('.content-tab');
 54     					console.dir(parentElement);
 55     					var TabElement = document.querySelector('[data-tab-target=' + parentElement.id + ']');
 56     					console.dir(TabElement);
 57     
 58     						@{
 59     							if (isVisualEditor && IsNotContentManager)
 60     							{
 61     								<text>TabElement.style.display = 'flex';</text>
 62     							}
 63     							else
 64     							{
 65     								<text>TabElement.style.display = 'none';</text>
 66     							}
 67     						}
 68     
 69     					});
 70     
 71     			</script>
 72     		}
 73     
 74     	}
 75     
 76     }
 77