Error executing template "Designs/Mireille/eCom/ProductCatalog/PLP-List-Async.cshtml"
System.NullReferenceException: Object reference not set to an instance of an object.
   at CompiledRazorTemplates.Dynamic.RazorEngine_f85cadb0e1594f9b88d8e8283fa6629d.Execute() in C:\Solutions\Mireille-Live\Files\Templates\Designs\Mireille\eCom\ProductCatalog\PLP-List-Async.cshtml:line 35
   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.b__0(TextWriter writer)
   at RazorEngine.Templating.RazorEngineServiceExtensions.WithWriter(Action`1 withWriter)
   at Dynamicweb.Rendering.Template.RenderRazorTemplate()


  1	@using System.Web.Hosting;
  2	@using Dynamicweb.Rendering
  3	@using Dynamicweb.Ecommerce.ProductCatalog
  4	@using Mireille.Web.CustomCode.Razor
  5	@using Mireille.Web.CustomCode.Services
  6	@using Mireille.Web.DwDependentModels
  7	@using Newtonsoft.Json
  8	@using NLWI.Core.Factory
  9	@using Dynamicweb.Indexing.Querying
 10	
 11	@inherits ViewModelTemplate<ProductListViewModel>
 12	@{
 13	    var products = new List<ProductWithSpecifications>();
 14	    var facetList = new List<FacetViewModel>();
 15	    var hasGroupIdInQuery = !string.IsNullOrEmpty(Dynamicweb.Context.Current.Request["GroupID"]);
 16	
 17	    var currentPage = Model.CurrentPage;
 18	    var paginationTotalPages = Model.GetPageCount();
 19	    var pageSize = Model.PageSize;
 20	    var navigation = new PaginationModel(currentPage, paginationTotalPages, pageSize, hasGroupIdInQuery);
 21	
 22	
 23	    var result = new ProductListPage(products, facetList, navigation);
 24	    //nuke dw cache as it is query specific, and not user specific.
 25	    var queryService = new QueryService();
 26	    var query = queryService.LoadQuery(HostingEnvironment.MapPath("/Files/System/Repositories/B2B/ProductList.query"));
 27	
 28	    queryService.SaveQuery(HostingEnvironment.MapPath("/Files/System/Repositories/B2B/ProductList.query"),query);
 29	    QueryHelper.RemoveQueryFromCache(query);
 30	}
 31	
 32	@if (Model.Products != null)
 33	{
 34	
 35	    var oldModelProductIds = ObjectFactory.GetInstance<OldSelectionService>().GetOldSelectionsForCustomerAndProductIds(Pageview.User.CustomerNumber, Model.Products.ToList());
 36	
 37	    foreach (var product in Model.Products)
 38	    {
 39	        var specifications = product.GetSpecifications();
 40	
 41	        var defaultVariant = product.Variants?.FirstOrDefault().Number;
 42	        var hasVariants = product.Variants?.Count > 0;
 43	        string code;
 44	        oldModelProductIds.TryGetValue(product.Id, out code);
 45	        var simpleProduct = new SimpleProduct(product.Id,
 46	            product.VariantId,
 47	            product.LanguageId,
 48	            product.Name,
 49	            product.ShortDescription,
 50	            product.LongDescription,
 51	            product.Number, hasVariants,
 52	            defaultVariant,
 53	            product.GetUnitId(),
 54	            oldModelProductIds.ContainsKey(product.Id),
 55	            !string.IsNullOrEmpty(code) ? code : "",
 56	            "");
 57	        products.Add(new ProductWithSpecifications(simpleProduct, specifications));
 58	    }
 59	}
 60	@if (Model.FacetGroups != null)
 61	{
 62	    foreach (var facets in Model.FacetGroups)
 63	    {
 64	        foreach (var facet in facets.Facets.Where(e => e.Options.Any()))
 65	        {
 66	            facetList.Add(facet);
 67	
 68	        }
 69	    }
 70	}
 71	@JsonConvert.SerializeObject(result)