Does anyone know why my code would suddenly be throwing the "Object
reference not set to an instance of an object." error?

Here it is, within a user control that's used by another page:

Exception Details: System.NullReferenceException: Object reference not set
to an instance of an object.
Source Error:
Line 11: kuamcom.Data.DataAccessTier data = new
Line 12: DataSet ds = data.GetHomepageNewsHeadlines();
Line 13: rptNews.DataSource = ds.Tables[1].DefaultView; // the
faulty line
Line 14: rptNews.DataBind();

This works perfectly with an ASP.NET 1.0 server at home, but when I deployed
it to a production server, it started throwing this error. Any ideas? I
did some testing and it seems to be the DataSet object referenced with