Server Error in '/' Application.

Item does not exist. It may have been deleted by another user.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.ArgumentException: Item does not exist. It may have been deleted by another user.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[ArgumentException: Item does not exist. It may have been deleted by another user.]
   Microsoft.SharePoint.SPList.GetItemById(String strId, Int32 id, String strRootFolder, Boolean cacheRowsetAndId, String strViewFields, Boolean bDatesInUtc, Boolean bExpandQuery) +805
   Reply.SP2013.CaseIH.PL.CalendarIcs.Page_Load(Object sender, EventArgs e) +602
   System.Web.UI.Control.OnLoad(EventArgs e) +86
   System.Web.UI.Control.LoadRecursive() +129
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3712


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.4076.0