SM-N920T fail to FRP

I have one N920T with google account , i try to reset FRP but….see log

[Reset FRP lock started]

Processing. Be patient! Do NOT disconnect the phone!

Checking custom root image…

Rooting by custom image based root method…

Flashing firmware…
Waiting for download mode.
Reading PIT.
Flashing boot.img
Restarting phone.
Unable to restart.
Restarting failed.
Finished at local time: [09.14.16 00:37:32]
WorkID: 13452743

Any solution for this ?