Este é meu Startup.ConfigureServices : public void ConfigureServices(IServiceCollection services) { services.AddIdentityWithMongoStores(“mongodb://localhost:27017/myDB”); // services.AddDbContext<ApplicationDbContext>(options => // options.UseSqlite(Configuration.GetConnectionString(“DefaultConnection”))); //services.AddIdentity<ApplicationUser, IdentityRole>() //.AddEntityFrameworkStores<ApplicationDbContext>() //.AddIdentityWithMongoStores(“mongodb://localhost:27017/myDB”) //.AddDefaultTokenProviders(); // Add application services. services.AddTransient<IEmailSender, EmailSender>(); services.AddMvc(); } Esta é a mensagem de erro: Startup.cs(33,13): error CS7069: Reference to type ‘IdentityBuilder’ claims it is defined in ‘Microsoft.AspNetCore.Identity’, but it could not be found [E:\freud\freud.csproj]Read more