Price list

Error executing template "Designs/Publications/Paragraph/Publication_ListComponentParagraph.cshtml"
System.NullReferenceException: Object reference not set to an instance of an object.
   at Dynamicweb.Content.Layouts.LayoutTemplateLocator.FindLayoutTemplateForPage(Page page)
   at Dynamicweb.Frontend.Content.GetLayoutForDevice(Page page, DeviceType device)
   at Dynamicweb.Frontend.Content.CreateGridContent(Int32 contentId, Boolean ignoreVisualEdit)
   at Dynamicweb.Frontend.Content.RenderExternalGrid(Int32 pageId, String container)
   at CompiledRazorTemplates.Dynamic.RazorEngine_9a39f2a918ba40f09c38505849add3a8.Execute() in D:\dynamicweb.net\Solutions\twodayco3\carbi.cloud.dynamicweb-cms.com\Files\Templates\Designs\Publications\Paragraph\Publication_ListComponentParagraph.cshtml:line 55
   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     @using Dynamicweb.Ecommerce.ProductCatalog
  3     
  4     @{
  5         List<ProductViewModel>? productList = null;
  6         int productsOnEachPage = Convert.ToInt32(Model.Item.GetRawValueString("ProductsOnEachPage", "4"));
  7         int listItemSourcePageId = Model.Item.GetInt32("ComponentSource");
  8         string layout = Model.Item.GetRawValueString("Layout", "1");
  9     
 10         if (Dynamicweb.Context.Current.Items.Contains("ProductListForPage"))
 11         {
 12             productList = (List<ProductViewModel>?)Dynamicweb.Context.Current.Items["ProductListForPage"];
 13         }
 14     
 15         //Fallback for Visual Editor
 16         if (Pageview.IsVisualEditorMode || Pageview.Page.ItemType != "Publication_Catalog")
 17         {
 18             ProductViewModelSettings productSetting = new ProductViewModelSettings
 19             {
 20                 LanguageId = Dynamicweb.Ecommerce.Common.Context.LanguageID,
 21                 CurrencyCode = Dynamicweb.Ecommerce.Common.Context.Currency.Code,
 22                 CountryCode = Dynamicweb.Ecommerce.Common.Context.Country.Code2,
 23                 ShopId = Pageview.Area.EcomShopId
 24             };
 25     
 26             productList = new List<ProductViewModel>();
 27     
 28             for (int productCount = 0; productCount < 3; productCount++)
 29             {
 30                 var productView = new ProductViewModel(){
 31     				Name = $"{Translate("Product")} {productCount}",
 32     				Id = productCount.ToString()
 33     			};
 34                 productList.Add(productView);
 35             }
 36         }
 37     }
 38     
 39     @if (productList?.Count > 0)
 40     {
 41         <div class="dwp-grid dwp-grid-cols-@(layout) dwp-grid-gap-2" data-item-type="@Model.Item.SystemName.ToLower()" data-id="@Model.ID">
 42             @foreach (ProductViewModel listProduct in productList)
 43             {
 44                 if (Dynamicweb.Context.Current.Items.Contains("ProductDetails"))
 45                 {
 46                     Dynamicweb.Context.Current.Items["ProductDetails"] = listProduct;
 47                 }
 48                 else
 49                 {
 50                     Dynamicweb.Context.Current.Items.Add("ProductDetails", listProduct);
 51                 }
 52     
 53                 if (listItemSourcePageId != 0) {
 54                     <div>
 55                         @RenderGrid(listItemSourcePageId)
 56                     </div>
 57                 }
 58             }
 59         </div>
 60     }