Problems unlock g892a bit3

Here is the log, I have doing the hard reset and the same problems.
Any help please ?



log

UNLOCK INSTRUCCIONES:
Unlocking with original MSL code:
Warning! Knox warranty must be active (0x00)!
If you have it voided (0x01(void)), then you can't unlock this phone with MSL.
1. Phone must be powered on.
2. Run dialer and type *#0*# (service mode will appear).
3. Connect the phone to UART cable, choose correct COM port in port settings.
4. Press 'Unlock' button.
5. Paste MSL code in new opened window and press 'OK'.

Reading codes using sever:
1. Power on the phone.
2. Tap 7 times on 'Build number' in 'Settings'-'About phone' to enable 'Developer options',
go to 'Settings'-'Developer options' and enable 'USB debugging'.
3. Connect the phone to PC with USB cable, install drivers if needed.
4. Select device in ADB settings.
5. Press 'Read Codes via server' button, write your login and password in window if it will appear.
(Login and password will be saved as default after first input and can be changed in settings.)

Operation: Read Codes via Server
Selected model: SM-G892A
Software version: 33.7

Checking Login and Password... Listo
Ballance: 5 crd.
You have 5 credit(s) left. This operation takes 5 credits.Continue? Si
Waiting ADB device... Listo
Leyendo información del teléfono ...
Modelo: SM-G892A
Android version: 8.0.0
PDA version: G892AUCS3BRG1
CSC version: G892AATT3BRG1
Versión del telefono: G892AUCS3BRG1
Código del Producto: SM2G892AZDAATT
Código de país CSC: USA
Código de Venta CSC: ATT
Phone SN: R38K407J4EA
IMEI: 35852408191xxxxx
HW version: REV0.5
RF cal date: 2018.04.11
Chip name: MSM8998
Módem: MSM8998
Security patch: 2018-07-01
Boot Warranty bit: 0
Reiniciando teléfono ... Listo
Waiting ADB device... Listo
Reiniciando teléfono ... Listo
Waiting ADB device... Listo
Waiting for device to become ready... Listo
Initialization zTool... Listo
Running zTool, please wait...
Start... Listo
Initialization... Listo
Generate and check client proof... Listo
Verify proof by client... Listo
Lectura de datos desde el teléfono ... Listo
Searching Ramdump interface... COM57 detected
Lectura de datos desde el teléfono ... Listo
Calculando...
Exception: Access violation at address 0040A48B in module 'SamsungToolPRO.exe'. Read of address 00000000

Done with Samsung Tool PRO v.33.7