Server Error in '/' Application.

Empty guid.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.ArgumentException: Empty guid.

Source Error:


Line 3:      Layout = "AreaMembersWrapper.cshtml";
Line 4:      var mainArticleImageUrl = Model.Value<IPublishedContent>("pageBackground")?.Url();
Line 5:      var webinarSessions = Model.Value<IEnumerable<IPublishedElement>>("webinarSessions");
Line 6:  }
Line 7:  @section InnerHeader{

Source File: C:\inetpub\wwwroot\UmbracoAPITS-V8\Views\MembersWebinarListPage.cshtml    Line: 5

Stack Trace:


[ArgumentException: Empty guid.]
   Umbraco.Web.PublishedCache.PublishedElement..ctor(IPublishedContentType contentType, Guid key, Dictionary`2 values, Boolean previewing, PropertyCacheLevel referenceCacheLevel, IPublishedSnapshotAccessor publishedSnapshotAccessor) +460
   Umbraco.Web.PropertyEditors.ValueConverters.NestedContentValueConverterBase.ConvertToElement(JObject sourceObject, PropertyCacheLevel referenceCacheLevel, Boolean preview) +429
   Umbraco.Web.PropertyEditors.ValueConverters.NestedContentManyValueConverter.ConvertIntermediateToObject(IPublishedElement owner, IPublishedPropertyType propertyType, PropertyCacheLevel referenceCacheLevel, Object inter, Boolean preview) +571
   Umbraco.Core.Models.PublishedContent.PublishedPropertyType.ConvertInterToObject(IPublishedElement owner, PropertyCacheLevel referenceCacheLevel, Object inter, Boolean preview) +101
   Umbraco.Web.PublishedCache.NuCache.Property.GetValue(String culture, String segment) +293
   Umbraco.Web.PublishedPropertyExtension.Value(IPublishedProperty property, String culture, String segment, Fallback fallback, T defaultValue) +113
   Umbraco.Web.PublishedContentExtensions.Value(IPublishedContent content, String alias, String culture, String segment, Fallback fallback, T defaultValue) +179
   ASP._Page_Views_MembersWebinarListPage_cshtml.Execute() in C:\inetpub\wwwroot\UmbracoAPITS-V8\Views\MembersWebinarListPage.cshtml:5
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +252
   System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +148
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +107
   Umbraco.Web.Mvc.ProfilingView.Render(ViewContext viewContext, TextWriter writer) +174
   System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context) +375
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +88
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +775
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +775
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +775
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList`1 filters, ActionResult actionResult) +81
   System.Web.Mvc.Async.<>c__DisplayClass3_1.<BeginInvokeAction>b__1(IAsyncResult asyncResult) +188
   System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction(IAsyncResult asyncResult) +38
   System.Web.Mvc.<>c.<BeginExecuteCore>b__152_1(IAsyncResult asyncResult, ExecuteCoreState innerState) +26
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +73
   System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +52
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +39
   System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) +38
   System.Web.Mvc.<>c.<BeginProcessRequest>b__20_1(IAsyncResult asyncResult, ProcessRequestState innerState) +40
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +73
   System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +38
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +648
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +213
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +131


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.4076.0