I have this error, is it mvc 5 related?
Attempt by security transparent method 'DayPilot.Web.Mvc.DayPilotExtensions.DayPilotCalendar(System.Web.Mvc.HtmlHelper, System.String, DayPilot.Web.Mvc.DayPilotCalendarConfig)' to access security critical type 'System.Web.Mvc.MvcHtmlString' failed.