ADO EF - Errors Mapping Associations between Derived Types in TPH

Question

Background

I am writing a data access library using the ADO Entity Framework in Visual Studio 2008 SP1 using the .NET Framework 3.5 SP1. I am trying to create associat

Answer 1

I had this error and it indicated that a column I removed in the database had not been removed in the model. I removed it from the model and the error went away. That was my situation, though. Maybe it will help someone.