ERROR Rendering ControlObject reference not set to an instance of an object.Boolean b__0(Emanager.Data.Abstractions.Ecommerce.Model.Attribute) at Emanager.Razor.HtmlProductExtensions.<>c__DisplayClass16_0.b__0(Attribute x) in C:\Users\gabri\Desktop\Emanager\Shared\Emanager.Razor\HtmlProductExtensions.cs:line 93 at System.Linq.Enumerable.WhereSelectListIterator`2.MoveNext() at System.Linq.Enumerable.FirstOrDefault[TSource](IEnumerable`1 source) at CompiledRazorTemplates.Dynamic.RazorEngine_f07f4a30a94541329e8192b641f61c80.Execute() 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 Emanager.Web.UI.ControlBase.RenderRazorInternal(String uniqueId, HtmlTextWriter writer) in C:\Users\gabri\Desktop\Emanager\Emanager.Shell\Emanager.Web.Base\UI\ControlBase.cs:line 273 at Emanager.Web.UI.ControlBase.RenderRazor(HtmlTextWriter writer) in C:\Users\gabri\Desktop\Emanager\Emanager.Shell\Emanager.Web.Base\UI\ControlBase.cs:line 241