The PBB organizers decided to cancel the scheduled audition because of the impending transport strike in the Naga City.
The announcement, “Due to the transport strike in Naga, we are cancelling the PBB audition scheduled tomorrow, March 16. We will schedule another audition date. We are very sorry for this unfortunate event but we cannot risk the safety of the auditionees in terms of their means of transportation.”
Meanwhile, other auditions in Davao on March 19 and Laguna on March 24 will still push through.
Check this link for scheduled audition dates in your area.