Hello,

the calendar became unaccessible for some specific users after upgrade to 15.3.6095. I got an error in web UI and all devices syncing through Caldav don't work anymore.

Here an example of what it's logged:

 

[2016.09.19] System.NullReferenceException: Object reference not set to an instance of an object.
[2016.09.19] 
[2016.09.19] Server stack trace: 
[2016.09.19]    at MailService.Remoting.Mail.UpdateCalendarEvents(String sessionStr, String domainName, String userName, String calendarName, CalendarData data)
[2016.09.19]    at System.Runtime.Remoting.Messaging.StackBuilderSink._PrivateProcessMessage(IntPtr md, Object[] args, Object server, Object[]& outArgs)
[2016.09.19]    at System.Runtime.Remoting.Messaging.StackBuilderSink.SyncProcessMessage(IMessage msg)
[2016.09.19] 
[2016.09.19] Exception rethrown at [0]: 
[2016.09.19]    at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)
[2016.09.19]    at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)
[2016.09.19]    at SmarterMail.RemoteInterface.IMail.UpdateCalendarEvents(String sessionStr, String domainName, String userName, String calendarName, CalendarData data)
[2016.09.19]    at SMWeb.HelperClasses.RemoteWrapper.<>c__DisplayClass338_0.<UpdateCalendarEvents>b__0(String sessionStr)
[2016.09.19]    at SMWeb.HelperClasses.RemoteWrapper.SessionCallWithConnection(UserData usr, Action`1 f)
[2016.09.19]    at SMWeb.HelperClasses.RemoteWrapper.UpdateCalendarEvents(UserData usr, String domainName, String userName, String calendarName, CalendarData data)
[2016.09.19]    at SMWeb.HelperClasses.Users.UserCache.CalendarAutoClean(UserData user, CalendarData data)
[2016.09.19]    at SMWeb.HelperClasses.Users.UserCache.UpdateUsersCalendar(UserData user, String domainName, String userName, String calendarName)
[2016.09.19]    at SMWeb.Main.frmCalendar.GetEventCount()
[2016.09.19]    at SMWeb.Main.frmCalendar.OnPreRender(EventArgs e)
[2016.09.19]    at System.Web.UI.Control.PreRenderRecursiveInternal()
[2016.09.19]    at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
[2016.09.19] Application Error

 

Any help?