Since 10/02/2019 it's needed to flash those files If you are coming from previous build's

First, flash vendor2factory, then reboot, flash TWRP with factory support and reboot again, flash ROM.

Vendor2factory:
https://androidfilehost.com/?fid=962187416754475514

Factory support TWRP:
https://androidfilehost.com/?fid=11410963190603913223

It's recomended a Clean Flash If coming from Previous PE Build.