Entity Framework error - “The EntityContainer name must be unique”

Question

We have a solution which consists of two projects - a console application project and a web application project. Each of these has an identical in schema, but differently named

Answer 1

Just in case anyone else is desperate and not finding any answers - I accidentally ended up with a copy of my .edmx file included in the project in a second location. Both were being included in the build.

;-)

If this happened to you, fear not: You were not the first.