Although this post says that the fix is for SQL2008, it is the same for SQL2005: http://social.msdn.microsoft.com/forums/en-US/sqldatamining/thread/38a1d79c-9cd2-4a59-9d57-57d1a43b61a9/ If you've gotten this far, here are the steps to fix ...

The ProspectiveBuyer table is missing the Age column. Execute the following to fix this: ALTER TABLE [dbo].[ProspectiveBuyer] ADD [Age] asDATEDIFF(YYYY,[BirthDate],getdate()) Thanks to Ja...