When I try to edit the root node in editor modus in Episerver (version 5.1.422.4) I got this error message (see below). When I go direct to an other site (http://localhost/manage/ui/edit/default.aspx?id=32) no problem. Hope somebody have a solution on this. Can't find provider capability information for provider [AspNetSqlMembershipProvider]. 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: EPiServer.Core.EPiServerException: Can't find provider capability information for provider [AspNetSqlMembershipProvider]. Source Error: An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. Stack Trace: [EPiServerException: Can't find provider capability information for provider [AspNetSqlMembershipProvider].] EPiServer.Security.ProviderCapabilities.IsSupported(String providerName, Action action) +162 EPiServer.UI.Edit.UserMembership.EnableFields() +418 EPiServer.UI.Edit.UserMembership.OnLoad(EventArgs e) +1152 System.Web.UI.Control.LoadRecursive() +47 System.Web.UI.Control.LoadRecursive() +131 System.Web.UI.Control.LoadRecursive() +131 System.Web.UI.Control.LoadRecursive() +131 System.Web.UI.Control.LoadRecursive() +131 System.Web.UI.Control.LoadRecursive() +131 System.Web.UI.Control.LoadRecursive() +131 System.Web.UI.Control.LoadRecursive() +131 System.Web.UI.Control.LoadRecursive() +131 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1061