Since these Year Facebook require a Conformed account via Phone or Credit Card . For several month the official Form they over is not working.

No SMS Code Send or received ,even after buying a second carrier Drei that cooperates closer with Facebook in Austria . On the Formum finally i find a link where you can conform your Developer Account for register  new Apps .

https://www.facebook.com/confirmphone.php

For Austria it needs about a hour to recive the SMS verification code I used in these case T-Mobile and it worked . Happy to go further with the app development process .