[NullReferenceException: Object reference not set to an instance of an object.]
_Closure$__12._Lambda$__22(UtenteOnLine x) +1
System.Linq.Enumerable.FirstOrDefault(IEnumerable`1 source, Func`2 predicate) +142
Sito.AggiornaUtenteOnLine(String sessionId, Boolean autenticato, DateTime data) +75
MasterPage.Page_Load(Object sender, EventArgs e) +1280
System.Web.UI.Control.OnLoad(EventArgs e) +79
System.Web.UI.Control.LoadRecursive() +130
System.Web.UI.Control.LoadRecursive() +200
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2853
|