SC02K unlock does not work

SC02K doesnt unlock via Z3X

Operation: Read Codes via Server
Selected model: SC-02K
Software version: 33.8

Checking Login and Password... OK
Ballance: 30 crd.
You have 30 credit(s) left. This operation takes 10 credits.Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SC-02K
Android version: 8.0.0
PDA version: SC02KOMU1ARH2
CSC version: SC02KDCM1ARH2
Phone version: SC02KOMU1ARH2
Product code: SM-G960DZKADCM
CSC country code: JP
CSC sales code: DCM
Phone SN: R58K50N9KEA
IMEI: 353753091046646
HW version: G960JPN.10
RF cal date: 2018.05.07
Chip name: SDM845
Modem board: SDM845
Security patch: 2018-08-01
Boot Warranty bit: 0
Searching Samsung diag port... detected COM50
Reading phone info... OK
Reading data from phone... error (1), skip
Rebooting phone... OK
Waiting ADB device... OK
Rebooting phone... OK
Waiting ADB device... OK
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... COM5 detected
Reading data from phone... OK
Calculating... error (0)

Done with Samsung Tool PRO v.33.8