Upd: 2.8.2021 To reverse update: - Set Data project as Startup Project - Ensure if solution is buildable - backup Entity folder - Open PM (Package Manager Console from View menu) - Run following command Scaffold-DbContext "Server=(local);Database=BO;Trusted_Connection=True;" Microsoft.EntityFrameworkCore.SqlServer -OutputDir Entity -Force - Go to file BOContext.cs and replace class declaration as : public partial class BOContext : DataDomain - replace in all entities // public long Id { get; set; } -> // // public long Id { get; set; }