Error executing template "Designs/Swift/Paragraph/Swift_Group_SEO_Custom.cshtml"
System.NullReferenceException: Object reference not set to an instance of an object.
   at CompiledRazorTemplates.Dynamic.RazorEngine_77d529efa38d4729ae2c1624badae5d1.Execute() in D:\dynamicweb.net\Solutions\twodayco3\evasolo.cloud.dynamicweb-cms.com\Files\Templates\Designs\Swift\Paragraph\Swift_Group_SEO_Custom.cshtml:line 49
   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 System.Collections
  3     @using Dynamicweb
  4     @using Dynamicweb.Frontend.Navigation
  5     @using Dynamicweb.Ecommerce.ProductCatalog
  6     @using Dynamicweb.Ecommerce.Products.Categories
  7     @using Dynamicweb.Environment
  8     @using Dynamicweb.Frontend
  9     
 10     @* CUSTOM TEMPLATE SUPPORTED BY SWIFT (v1.25.0) *@
 11     
 12     @{
 13     	ProductListViewModel productList = new ProductListViewModel();
 14     
 15     	ProductListViewModelSettings productSetting = new ProductListViewModelSettings
 16     	{
 17     		LanguageId = Dynamicweb.Ecommerce.Common.Context.LanguageID,
 18     		CurrencyCode = Dynamicweb.Ecommerce.Common.Context.Currency.Code,
 19     		CountryCode = Dynamicweb.Ecommerce.Common.Context.Country.Code2,
 20     		ShopId = Pageview.Area.EcomShopId
 21     	};
 22     
 23     	if (Dynamicweb.Context.Current.Items.Contains("ProductList"))
 24     	{
 25     		productList = (ProductListViewModel)Dynamicweb.Context.Current.Items["ProductList"];
 26     	}
 27     	else if (Pageview.Item["DummyProductGroup"] != null)
 28     	{
 29     		var pageViewModel = Dynamicweb.Frontend.ContentViewModelFactory.CreatePageInfoViewModel(Pageview.Page);
 30     		ProductListViewModel groupList = pageViewModel.Item.GetValue("DummyProductGroup") != null ? pageViewModel.Item.GetValue("DummyProductGroup") as ProductListViewModel : new ProductListViewModel();
 31     
 32     		if (groupList?.Group?.Id != null)
 33     		{
 34     			productList = ViewModelFactory.CreateView(productSetting, groupList.Group.Id);
 35     			Dynamicweb.Context.Current.Items.Add("ProductList", productList);
 36     		}
 37     		else
 38     		{
 39     			productList = ViewModelFactory.CreateView(productSetting, Dynamicweb.Ecommerce.Services.ProductGroups.GetGroups(Dynamicweb.Ecommerce.Common.Context.LanguageID).FirstOrDefault().Id);
 40     			Dynamicweb.Context.Current.Items.Add("ProductList", productList);
 41     		}
 42     	}
 43     	else if (Pageview.Item["DummyProductGroup"] == null)
 44     	{
 45     		productList = ViewModelFactory.CreateView(productSetting, Dynamicweb.Ecommerce.Services.ProductGroups.GetGroups(Dynamicweb.Ecommerce.Common.Context.LanguageID).FirstOrDefault().Id);
 46     		Dynamicweb.Context.Current.Items.Add("ProductList", productList);
 47     	}
 48     
 49     	if (productList.Group.Id != null)
 50     	{
 51     		<div class="productlist-seo-text col-12 col-lg-11">
 52     			<h2 class="seo-heading">@productList.Group.GetGroup().GroupFields.Single(gf => gf.SystemName == "ProductGroupSEOHeadingCustom").Value</h2>
 53     			<span class="seo-text">@productList.Group.GetGroup().GroupFields.Single(gf => gf.SystemName == "ProductGroupSEOTextCustom").Value</span>
 54     		</div>
 55     	}
 56     }
 57