Error executing template "Designs/Swift/Paragraph/Swift_ProductListNavigation.cshtml"
System.NullReferenceException: Object reference not set to an instance of an object.
   at CompiledRazorTemplates.Dynamic.RazorEngine_fcd151d43eca47eaa059ab4428fedc38.ExecuteAsync()
   at RazorEngine.Templating.TemplateBase.Run(ExecuteContext context, TextWriter reader)
   at RazorEngine.Templating.RazorEngineCore.RunTemplate(ICompiledTemplate template, TextWriter writer, Object model, DynamicViewBag viewBag)
   at RazorEngine.Templating.RazorEngineService.Run(ITemplateKey key, TextWriter writer, Type modelType, Object model, DynamicViewBag viewBag)
   at RazorEngine.Templating.DynamicWrapperService.Run(ITemplateKey key, TextWriter writer, Type modelType, Object model, DynamicViewBag viewBag)
   at RazorEngine.Templating.RazorEngineServiceExtensions.Run(IRazorEngineService service, String name, TextWriter writer, Type modelType, Object model, DynamicViewBag viewBag)
   at RazorEngine.Templating.RazorEngineServiceExtensions.<>c__DisplayClass23_0.<Run>b__0(TextWriter writer)
   at RazorEngine.Templating.RazorEngineServiceExtensions.WithWriter(Action`1 withWriter)
   at RazorEngine.Templating.RazorEngineServiceExtensions.Run(IRazorEngineService service, String name, Type modelType, Object model, DynamicViewBag viewBag)
   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     @using Dynamicweb.Frontend.Navigation
  4     @using Dynamicweb.Environment
  5     @using Dynamicweb.Core.Encoders
  6     @using System.Text.RegularExpressions
  7     
  8     @{
  9     	ProductListViewModel productList = new ProductListViewModel();
 10     
 11     	if (Dynamicweb.Context.Current.Items.Contains("ProductList"))
 12     	{
 13     		productList = (ProductListViewModel)Dynamicweb.Context.Current.Items["ProductList"];
 14     	}
 15     
 16     	string contentPadding = Model.Item.GetRawValueString("ContentPadding", "");
 17     	contentPadding = Model.Item.GetRawValueString("ContentPadding", string.Empty) == "none" ? " px-0 py-2" : contentPadding;
 18     	contentPadding = Model.Item.GetRawValueString("ContentPadding", string.Empty) == "small" ? " px-3 py-2" : contentPadding;
 19     }
 20     
 21     @if (productList.TotalProductsCount > 0)
 22     {
 23     	string groupNavigationLayout = Model.Item.GetRawValueString("GroupNavigationLayout", "collapsible");
 24     
 25     	string theme = !string.IsNullOrWhiteSpace(Model.Item.GetRawValueString("Theme")) ? " theme " + Model.Item.GetRawValueString("Theme").Replace(" ", string.Empty).Trim().ToLower() : string.Empty;
 26     
 27     	int startLevel = Convert.ToInt32(Model.Item.GetRawValueString("GroupNavigationStartLevel", "2"));
 28     	int stopLevel = Convert.ToInt32(Model.Item.GetRawValueString("GroupNavigationStopLevel", "9"));
 29     
 30     	var navigationSettings = new NavigationSettings();
 31     	navigationSettings.StopLevel = stopLevel;
 32     	navigationSettings.Parameters.Add("ContentPadding", contentPadding);
 33     	navigationSettings.StartLevel = startLevel;
 34     
 35     	<div class="border-bottom py-2@(theme)">
 36     		@if (groupNavigationLayout == "collapsible")
 37     		{
 38     			navigationSettings.ExpandMode = ExpandMode.All;
 39     			navigationSettings.Parameters.Add("HideTexts", false);
 40     			navigationSettings.Parameters.Add("HideIcons", true);
 41     
 42     			<div class="d-flex@(contentPadding)" data-bs-toggle="collapse" data-bs-target="#ProductGroupNavigation_@Model.ID" role="button" aria-expanded="true" aria-controls="ProductGroupNavigation_@Model.ID">
 43     				<h2 class="opacity-85 m-0 flex-fill h6">@Translate("Navigation")</h2>
 44     				<div class="my-auto collapse-chevron-icon"></div>
 45     			</div>
 46     			<div class="collapse show" id="ProductGroupNavigation_@Model.ID">
 47     				@Navigation.RenderNavigation("Navigation/Vertical.cshtml", navigationSettings)
 48     			</div>
 49     		}
 50     
 51     		@if (groupNavigationLayout == "filter")
 52     		{
 53     			navigationSettings.ExpandMode = ExpandMode.Path;
 54     			@Navigation.RenderNavigation("Navigation/VerticalAndBreadcrumb.cshtml", navigationSettings)
 55     		}
 56     	</div>
 57     }
 58     else
 59     {
 60     	<div class="alert alert-dark m-0" role="alert">
 61     		@Translate("Navigation: The navigation will be shown here, if any")
 62     	</div>
 63     }
 64