The following error occurred:
Exception of type 'System.Web.HttpUnhandledException' was thrown.
System.NullReferenceException: Object reference not set to an instance of an object.
at IFsWeb.frm_MortCohorts.Page_Load(Object sender, EventArgs e)
at System.Web.UI.Control.OnLoad(EventArgs e)
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
The IFs project will pay $25 to the first person who discovers a previously unreported error in either the web-based or stand-alone version of IFs and reports a reproducible path for generating the error (please provide details clearly) to firstname.lastname@example.org. Please also provide your contact information so we can notify you concerning our reproduction of it and arrange payment. Thank you for using IFs and making it better.