System.NullReferenceException: Object reference not set to an instance of an object.
   at AspNetCore.Views_Partials_Grid_Editors_DocTypeGridEditor_productSummary.ExecuteAsync() in C:\home\site\wwwroot\Views\Partials\Grid\Editors\DocTypeGridEditor\productSummary.cshtml:line 149
   at Microsoft.AspNetCore.Mvc.Razor.RazorView.RenderPageCoreAsync(IRazorPage page, ViewContext context)
   at Microsoft.AspNetCore.Mvc.Razor.RazorView.RenderPageAsync(IRazorPage page, ViewContext context, Boolean invokeViewStarts)
   at Microsoft.AspNetCore.Mvc.Razor.RazorView.RenderAsync(ViewContext context)
   at Microsoft.AspNetCore.Mvc.ViewComponents.ViewViewComponentResult.ExecuteAsync(ViewComponentContext context)
   at Microsoft.AspNetCore.Mvc.ViewComponents.DefaultViewComponentInvoker.InvokeAsync(ViewComponentContext context)
   at Microsoft.AspNetCore.Mvc.ViewComponents.DefaultViewComponentHelper.InvokeCoreAsync(ViewComponentDescriptor descriptor, Object arguments)
   at Our.Umbraco.DocTypeGridEditor.Helpers.DocTypeGridEditorHelper.RenderDocTypeGridEditorItem(IViewComponentHelper helper, IHtmlHelper htmlHelper, Object model) in /home/runner/work/flextool-au-umbraco-web/flextool-au-umbraco-web/src/Our.Umbraco.DocTypeGridEditor/Helpers/DocTypeGridEditorHelper.cs:line 222
   at AspNetCore.App_Plugins_DocTypeGridEditor_Render_DocTypeGridEditor.ExecuteAsync()
   at Microsoft.AspNetCore.Mvc.Razor.RazorView.RenderPageCoreAsync(IRazorPage page, ViewContext context)
   at Microsoft.AspNetCore.Mvc.Razor.RazorView.RenderPageAsync(IRazorPage page, ViewContext context, Boolean invokeViewStarts)
   at Microsoft.AspNetCore.Mvc.Razor.RazorView.RenderAsync(ViewContext context)
   at Microsoft.AspNetCore.Mvc.ViewFeatures.HtmlHelper.RenderPartialCoreAsync(String partialViewName, Object model, ViewDataDictionary viewData, TextWriter writer)
   at Microsoft.AspNetCore.Mvc.ViewFeatures.HtmlHelper.PartialAsync(String partialViewName, Object model, ViewDataDictionary viewData)
   at AspNetCore.Views_Partials_grid_editors_base.ExecuteAsync() in C:\home\site\wwwroot\Views\Partials\grid\editors\base.cshtml:line 6