It shows that you have already filled the basic registartion form, you don't need to register again. You can directly login and see your basic application form. As, You have already completed your basic registration, you don't need to register again.Candidates,those who have filled the basic registration form not need to again re register the basic registration form. They can directly log in and fill the final registration form.  So, you don't need to register again, because your data is already saved in basic registration form .