My Blog is Dead After Add entry

Topics: ASP.NET 2.0, Business Logic Layer, Controls, Themes
Aug 7, 2007 at 6:15 PM
The problem is very funny to me :<
I have add a article entry , after that it appear a error :
========================
Root element is missing.
Line 43: {
Line 44: _Months.Clear();
Line 45: DateTime first = DateTime.Parse(Post.PostsPost.Posts.Count - 1.DateCreated.Date.ToString("yyyy-MM-") + "01");
Line 46: int year = first.Year;
Line 47: int month = first.Month;
========================

then i go to App_data to delete the aritcle that i added, but it still error, i have not idea on this problem, help~~