You can, but your biometrics are registered in the immigration system, so you can't abuse this to enter on visa exemption with a different passport if you've been denied entry on your first passport.
2. Add everything you submitted in your application to your post and let the group members help you figure out what went wrong.
3. Change your application to another DTV type.
And make sure someone else didn't log in and cancel your application, as your email doesn't say Denied, which is what it would say if they denied your application.