Newsletter Not Found

Sequence contains no elements


at System.Linq.Enumerable.First[TSource](IEnumerable`1 source) at CorpSite.Controllers.NewsletterController.Index(String id, String m, String article, Boolean debug) in C:\Projects\Web Sites\CorpSite\CorpSite\CorpSite\Controllers\NewsletterController.cs:line 53