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System.AggregateException: One or more errors occurred. (The value "Umbraco.Cms.Web.Common.PublishedModels.ImageRichText" is not of type "Umbraco.Cms.Web.Common.PublishedModels.ImageTextButton" and cannot be used in this generic collection. (Parameter 'value')) ---> System.ArgumentException: The value "Umbraco.Cms.Web.Common.PublishedModels.ImageRichText" is not of type "Umbraco.Cms.Web.Common.PublishedModels.ImageTextButton" and cannot be used in this generic collection. (Parameter 'value') at System.Collections.Generic.List`1.System.Collections.IList.Add(Object item) at Umbraco.Cms.Core.PropertyEditors.ValueConverters.NestedContentManyValueConverter.ConvertIntermediateToObject(IPublishedElement owner, IPublishedPropertyType propertyType, PropertyCacheLevel referenceCacheLevel, Object inter, Boolean preview) at UmbracoProject.App_Plugins.DocTypeGridEditor.Models.DetachedPublishedProperty.<.ctor>b__7_1() in /Users/rosswilson/air-partner-core/src/UmbracoProject/App_Plugins/DocTypeGridEditor/Models/DetachedPublishedProperty.cs:line 32 at System.Lazy`1.ViaFactory(LazyThreadSafetyMode mode) at System.Lazy`1.ExecutionAndPublication(LazyHelper executionAndPublication, Boolean useDefaultConstructor) at System.Lazy`1.CreateValue() at Umbraco.Extensions.PublishedPropertyExtension.Value[T](IPublishedProperty property, IPublishedValueFallback publishedValueFallback, String culture, String segment, Fallback fallback, T defaultValue) at Umbraco.Extensions.PublishedElementExtensions.Value[T](IPublishedElement content, IPublishedValueFallback publishedValueFallback, String alias, String culture, String segment, Fallback fallback, T defaultValue) at Umbraco.Cms.Web.Common.PublishedModels.IconList.get_Icons() in /Users/rosswilson/air-partner-core/src/UmbracoProject/Models/generated/IconList.generated.cs:line 58 at AspNetCore.Views_Partials_Grid_Editors_DocTypeGridEditor_iconList.ExecuteAsync() in F:\umbraco13\green\charter\Views\Partials\Grid\Editors\DocTypeGridEditor\iconList.cshtml:line 12 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) --- End of inner exception stack trace --- at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions) at System.Threading.Tasks.Task`1.GetResultCore(Boolean waitCompletionNotification) at UmbracoProject.App_Plugins.DocTypeGridEditor.Helpers.DocTypeGridEditorHelper.RenderDocTypeGridEditorItem(IViewComponentHelper helper, IHtmlHelper htmlHelper, Object model) in /Users/rosswilson/air-partner-core/src/UmbracoProject/App_Plugins/DocTypeGridEditor/Helpers/DocTypeGridEditorHelper.cs:line 230 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 F:\umbraco13\green\charter\Views\Partials\grid\editors\base.cshtml:line 6