Samsung g928g frp remove problem

Hi team, im having problem trying to remove a frp block from a g928g here is log:

Printing phone history

Reset Reactivation Lock
28/10/2016
19:25:12

Reset FRP Lock
28/10/2016
19:23:20

Reset FRP Lock
28/10/2016
19:23:00

Reset FRP Lock
28/10/2016
19:20:02

Reset EE Lock
28/10/2016
19:19:08

[Reset FRP lock started]
Selected model: SM-G928G

Processing…
Processing. Be patient! Do NOT disconnect the phone!

Checking custom root image…
Present.

Rooting by custom image based root method…

Flashing firmware…
Waiting for download mode.
Connecting.
Reading PIT.
Flashing boot.img
Restarting phone.
Unable to restart.
Restarting failed.
Finished at local time: [10.28.16 18:32:48]

And appears in the phone screen "Custom Binary(Boot) Blocked by FRP lock"
but I can not enter on phone menu because is asking for google account.
Any help?