Entity Framework 6 - Knowledge Base (KB)

.NET 4.0 DataAnnotations GAC/EntityFramework conflict

I'm trying to build an ASP.NET web site for Microsoft .NET 4.0 using Entity Framework 6. The website is explicitly targetting .NET 4.0 in ...web.config...:...<compilation debug="true" targetFramework="4.0">..., IIS Express' application pool in ...applicat...