Galaxy S7 G930FD Unlocking Error Please check!

Via Read code,

Logs:

Waiting ADB device… OK
Reading phone info…
Model: SM-G930F
Android version: 6.0.1
Product code: SM-G930FEDUKSA
Phone version: G930FXXU1APEQ
PDA version: G930FXXU1APF2
CSC version: G930FOJV1APF1
CSC country code: KSA
CSC sales code: KSA
HW version: MP 0.700
Phone S/N: R58H62LWRHJ
Modem board: SHANNON335
RF cal date: 20160618
IMEI:
Checking Super user right… true
Initializating zTool… OK
Running zTool, please wait…
Start… OK
Init… OK
Generate and check client proof… OK
Verify proof by client… OK
Reading data… error (9)

What is missing?
thanks you in advance.