Error executing template "/Designs/juuls/Paragraph/CartAddToFavorites.cshtml"
System.NullReferenceException: Object reference not set to an instance of an object.
at CompiledRazorTemplates.Dynamic.RazorEngine_865fdb3b537d4f0bbf54d9966f0d1e0b.Execute() in D:\dynamicweb.net\Solutions\twodayco3\juulsvin.cloud.dynamicweb-cms.com\Files\Templates\Designs\juuls\Paragraph\CartAddToFavorites.cshtml:line 4
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     @using Dynamicweb.Frontend
  2     @{
  3         string productsIdsString = Dynamicweb.Context.Current.Request["productsIds"];
  4         string[] productIds = productsIdsString.Split(',');
  5         string listId = Dynamicweb.Context.Current.Request["listId"];
  6         int favoriteListId = 0;
  7         int.TryParse(listId, out favoriteListId);
  8         if (productIds.Length > 0 && favoriteListId > 0)
  9         {
 10             foreach (string productsId in productIds)
 11             {
 12                 Dynamicweb.Ecommerce.CustomerCenter.CustomerProductList.AddToFavorites(productsId, string.Empty, PageView.Current().Area.EcomLanguageId, favoriteListId);
 13             }
 14         }
 15 16     }