helo Bang ! I need help me Unlock G960U

Plz Unlock S9 G960U
hecking Login and Password... OK
Ballance: 15 crd.
You have 15 credit(s) left. This operation takes 10 credits.Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-G960U
Android version: 8.0.0
PDA version: G960USQS3ARG8
CSC version: G960UOYN3ARG8
Phone version: G960USQS3ARG8
Product code: SM-G960UZKAATT
CSC country code: USA
CSC sales code: ATT
Phone SN: R38K203T1KK
IMEI: 353302090218994
HW version: REV1.1
RF cal date: 2018.02.17
Chip name: SDM845
Modem board: SDM845
Security patch: 2018-08-01
Boot Warranty bit: 0
SIM State: ABSENT
Searching Samsung diag port... detected COM66
Reading phone info... OK
Reading data from phone... error (1), skip
Waiting for device to become ready... OK
Initialization zTool... OK
Running zTool, please wait...
Start... OK
Initialization... OK
Generate and check client proof... OK
Verify proof by client... OK
Reading data from phone... OK
Searching Ramdump interface... COM69 detected
Reading data from phone... OK
Calculating...
Exception: Invalid pointer operation

Done with Samsung Tool PRO v.34.3