System.NullReferenceException: Object reference not set to an instance of an object.
   at Umbraco13Upgradev13.Util.UmbracoCommon.SearchChildrenByUrlSegment(IPublishedContent content, String urlSegment) in D:\a\1\s\NextGenV13\Util\UmbracoCommon.cs:line 50
   at Umbraco13Upgradev13.Util.UmbracoCommon.SearchChildrenByUrlSegments(IPublishedContent content, String[] urlSegments) in D:\a\1\s\NextGenV13\Util\UmbracoCommon.cs:line 35
   at Umbraco13Upgradev13.Models.RenderModel.LoadFilterPopupValues(IPublishedContent Root) in D:\a\1\s\NextGenV13\Models\RenderModel.cs:line 83
   at Umbraco13Upgradev13.Models.RenderModel..ctor(IPublishedContent rootModel, String modelValue, String tagname, Boolean addNavigation, Boolean addPopup) in D:\a\1\s\NextGenV13\Models\RenderModel.cs:line 55
   at Umbraco13Upgradev13.Components.GridRenderComponent.InvokeAsync(Object modelValue, IPublishedContent publishedModel, String tagname, Nullable`1 addNavigation, Nullable`1 addPopup, IDictionary`2 additionalProperties) in D:\a\1\s\NextGenV13\Components\GridRenderComponent.cs:line 24
   at lambda_method261(Closure, Object)
   at Microsoft.AspNetCore.Mvc.ViewComponents.DefaultViewComponentInvoker.InvokeAsyncCore(ObjectMethodExecutor executor, Object component, ViewComponentContext context)
   at Microsoft.AspNetCore.Mvc.ViewComponents.DefaultViewComponentInvoker.InvokeAsync(ViewComponentContext context)
   at Microsoft.AspNetCore.Mvc.ViewComponents.DefaultViewComponentInvoker.InvokeAsync(ViewComponentContext context)
   at Microsoft.AspNetCore.Mvc.ViewComponents.DefaultViewComponentHelper.InvokeCoreAsync(ViewComponentDescriptor descriptor, Object arguments)
   at AspNetCore.app_plugins_GridEditors_Maps_GoogleMap_render.ExecuteAsync() in C:\home\site\wwwroot\app_plugins\GridEditors\Maps\GoogleMap\render.cshtml:line 2
   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