Entity Framework Duplicate type name within an assembly (6.1.0)

Question

I am not sure what is going on but I keep getting the following exception when doing a query. \"Duplicate type name within an assembly.\" I have not been able to find a solu

Answer 1

With EF 6.1, I run into the same problem.

In my case, my model has a self-reference table. So I found it might be caused by the following two reasons.

1. //Database.SetInitializer(null) Just comment out the following line in DBContext constructor.
2. keep foreign key and its corresponding navigation property consistent, or just keep the navigation property null