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System.NullReferenceException: Object reference not set to an instance of an object.
   at ASP._Page_Views_MacroPartials_Convert_RTE_to_AMP_cshtml.Execute() in c:\inetpub\wwwroot\integration\Views\MacroPartials\Convert.RTE.to.AMP.cshtml:line 59
   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 Umbraco.Core.Profiling.ProfilingView.Render(ViewContext viewContext, TextWriter writer) in c:\projects\umbraco-cms-xtjqd\src\Umbraco.Web\Mvc\ProfilingView.cs:line 24
   at Umbraco.Web.Mvc.ControllerExtensions.RenderViewResultAsString(ControllerBase controller, ViewResultBase viewResult) in c:\projects\umbraco-cms-xtjqd\src\Umbraco.Web\Mvc\ControllerExtensions.cs:line 73
   at Umbraco.Web.Macros.PartialViewMacroEngine.Execute(MacroModel macro, IPublishedContent content) in c:\projects\umbraco-cms-xtjqd\src\Umbraco.Web\Macros\PartialViewMacroEngine.cs:line 149
   at umbraco.macro.LoadPartialViewMacro(MacroModel macro) in c:\projects\umbraco-cms-xtjqd\src\Umbraco.Web\umbraco.presentation\macro.cs:line 1375
   at umbraco.macro.renderMacro(Hashtable pageElements, Int32 pageId) in c:\projects\umbraco-cms-xtjqd\src\Umbraco.Web\umbraco.presentation\macro.cs:line 367
   at Umbraco.Web.UmbracoComponentRenderer.RenderMacro(macro m, IDictionary`2 parameters, page umbracoPage) in c:\projects\umbraco-cms-xtjqd\src\Umbraco.Web\UmbracoComponentRenderer.cs:line 138
   at ASP._Page_Views_Partials_grid_editors_amprte_cshtml.Execute() in c:\inetpub\wwwroot\integration\Views\Partials\Grid\Editors\AMPRte.cshtml:line 3
   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 Umbraco.Core.Profiling.ProfilingView.Render(ViewContext viewContext, TextWriter writer) in c:\projects\umbraco-cms-xtjqd\src\Umbraco.Web\Mvc\ProfilingView.cs:line 24
   at System.Web.Mvc.Html.PartialExtensions.Partial(HtmlHelper htmlHelper, String partialViewName, Object model, ViewDataDictionary viewData)
   at ASP._Page_Views_Partials_grid_editors_ampbase_cshtml.Execute() in c:\inetpub\wwwroot\integration\Views\Partials\Grid\Editors\AMPBase.cshtml:line 21