Default WPS Connection dont Work : (BETA)(4.4)[ROM]Beanstalk 4.4008 29/11/2013

Hi ,thanks for your work. iam on hboot 2.16 and i have only a Problem with the WPS Connection!!! I can not connect me with WPS its search and found nothing! I have test it on 4 Fritzbox Routers . when i connect me with key it works. Somebody a idear whats wrong