2013-12-14 15:18:53,968 [YDAWBH104][Thread:10][FATAL] DotNetNuke.Web.Common.Internal.DotNetNukeHttpApplication - System.NullReferenceException: Object reference not set to an instance of an object.
   at System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add)
   at System.Collections.Generic.Dictionary`2.Add(TKey key, TValue value)
   at DotNetNuke.Entities.Users.UserInfo.get_Social()
   at DotNetNuke.Entities.Users.UserInfo.get_Roles()
   at DotNetNuke.Entities.Users.UserInfo.IsInRole(String role)
   at DotNetNuke.HttpModules.Membership.MembershipModule.AuthenticateRequest(HttpContextBase context, Boolean allowUnknownExtensinons)
   at DotNetNuke.HttpModules.Membership.MembershipModule.OnAuthenticateRequest(Object sender, EventArgs e)
   at System.Web.HttpApplication.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
   at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)
2013-12-14 15:18:53,968 [YDAWBH104][Thread:11][FATAL] DotNetNuke.Web.Common.Internal.DotNetNukeHttpApplication - System.NullReferenceException: Object reference not set to an instance of an object.
   at System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add)
   at System.Collections.Generic.Dictionary`2.Add(TKey key, TValue value)
   at DotNetNuke.Entities.Users.UserInfo.get_Social()
   at DotNetNuke.Entities.Users.UserInfo.get_Roles()
   at DotNetNuke.Entities.Users.UserInfo.IsInRole(String role)
   at DotNetNuke.HttpModules.Membership.MembershipModule.AuthenticateRequest(HttpContextBase context, Boolean allowUnknownExtensinons)
   at DotNetNuke.HttpModules.Membership.MembershipModule.OnAuthenticateRequest(Object sender, EventArgs e)
   at System.Web.HttpApplication.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
   at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)
2013-12-14 16:29:25,562 [YDAWBH104][Thread:9][ERROR] DotNetNuke.Services.FileSystem.FileServerHandler - System.Threading.ThreadAbortException: Thread was being aborted.
   at System.Threading.Thread.AbortInternal()
   at System.Threading.Thread.Abort(Object stateInfo)
   at System.Web.HttpResponse.End()
   at System.Web.HttpResponse.Redirect(String url, Boolean endResponse, Boolean permanent)
   at DotNetNuke.Services.FileSystem.FileServerHandler.ProcessRequest(HttpContext context)