System.ArgumentNullException: Value cannot be null.
Parameter name: child
at System.Web.UI.ControlCollection.Add(Control child)
at Umbraco.Web.UmbracoComponentRenderer.RenderMacro(macro m, IDictionary`2 parameters, page umbracoPage)
at Umbraco.Web.UmbracoComponentRenderer.RenderMacro(String alias, IDictionary`2 parameters, page umbracoPage)
at Umbraco.Web.UmbracoComponentRenderer.RenderMacro(String alias, IDictionary`2 parameters)
at Umbraco.Web.UmbracoHelper.RenderMacro(String alias, IDictionary`2 parameters)
at ASP._Page_Views_Partials_grid_editors_macro_cshtml.Execute() in c:\inetpub\empireroot\LocalUser\Smats\www\Views\Partials\Grid\Editors\Macro.cshtml:line 13
at System.Web.WebPages.WebPageBase.ExecutePageHierarchy()
at System.Web.Mvc.WebViewPage.ExecutePageHierarchy()
at System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage)
at System.Web.Mvc.RazorView.RenderView(ViewContext viewContext, TextWriter writer, Object instance)
at System.Web.Mvc.BuildManagerCompiledView.Render(ViewContext viewContext, TextWriter writer)
at Umbraco.Core.Profiling.ProfilingView.Render(ViewContext viewContext, TextWriter writer)
at System.Web.Mvc.HtmlHelper.RenderPartialInternal(String partialViewName, ViewDataDictionary viewData, Object model, TextWriter writer, ViewEngineCollection viewEngineCollection)
at System.Web.Mvc.Html.PartialExtensions.Partial(HtmlHelper htmlHelper, String partialViewName, Object model, ViewDataDictionary viewData)
at System.Web.Mvc.Html.PartialExtensions.Partial(HtmlHelper htmlHelper, String partialViewName, Object model)
at ASP._Page_Views_Partials_grid_editors_base_cshtml.Execute() in c:\inetpub\empireroot\LocalUser\Smats\www\Views\Partials\Grid\Editors\Base.cshtml:line 19