Ambiguous references with the exact same namespace

Question

The RC class is not linked to a database, it is a simple class. The class is at only one place and is not partial. The Aérochem.Domain dll project compiles just

Answer 1

I had this problem and also ReSharper installed on visual studio.

I open bug ticket on ReSharper tracker and the development team advised me to do:

Solution:

This problem can be solved by removing the Solution User Options (.Suo) File. This file is stored in the project root but is hidden. you need to check Folder Options-> View-> Show hidden files, folders, drives. and you need to close visual studio if you have open this project because is used by visual studio.