ASP.NET Dependency Injection Fails to instantiate service

var builder = WebApplication.CreateBuilder(args);
builder.Services.AddScoped<Users>();
builder.Services.AddScoped<UsersRepository>();
...
class UsersRepository {
  CTSCore.Security.Users Users;
  public UsersRepository()
  {
      Users = new();
  }
}
...
public class LoginEndpoint: Endpoint<LogonRequest, Results<Ok<LoginResponse>, UnauthorizedHttpResult>>
{
    public UsersRepository? Repository { get; set; }
    UsersRepository? _repository;
    public LoginEndpoint(UsersRepository repository)
    {
        _repository = repository;
    }
}

builder.Services.AddScoped<Users>();
...
public static void CheckServiceIsRegistered<T>(this IServiceCollection services)
{
    services.CheckEnvironment($"Service {typeof(T).FullName} should be registered", s => s.GetRequiredService<T>());
}