If I choose Link Properties / Page on this Web site / Adress / No Link / Ok / Ok Then the page fails with this exception Exception: System.ArgumentOutOfRangeException Message: PageReference was not set to a valid value Parameter name: pageLink Actual value was PageReference.EmptyReference. Source: EPiServer at EPiServer.DataAccess.PageLoadDB.Load(PageReference pageLink) at EPiServer.DataFactory.?(PageReference ) at EPiServer.DataFactory.GetPage(PageReference pageLink, AccessLevel access) at EPiServer.DataFactory.GetPage(PageReference pageLink) at EPiServer.Editor.Tools.Dialogs.HyperlinkProperties.Page_Load(Object sender, EventArgs e) at System.Web.UI.Control.OnLoad(EventArgs e) at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Page.ProcessRequestMain() We are using EPiServer 4.51