J730g unlock problem

J730G UNLOCK PROBLEM
Operation: Unlock
Selected model: SM-J730G
Software version: 30.8

Waiting ADB device...
Please, allow USB debugging on phone...
Please, allow USB debugging on phone...
Please, allow USB debugging on phone... OK
Reading phone info...
Model: SM-J730G
Android version: 7.0
Product code: SM-J730GZKITPA
Phone version: J730GUBU3ARA2
PDA version: J730GUBU3ARA2
CSC version: J730GUUB3ARA2
CSC country code: PANAMA
CSC sales code: TPA
HW version: MP 0.400
Phone SN: R58K114XWDY
Chip name: EXYNOS7870
Modem board: SHANNON315
Security patch: 2018-01-01
RF cal date: 20180106
IMEI: 3587840xxxxxxxx
Checking Super user right... true
Reading NV data... OK
Checking NV data... 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... error (0)
Reading data... OK
Detecting MODEM... OK
Reading MODEM... OK
Calculating... OK
Writing zTool... 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... error (1 19)
Done with Samsung Tool PRO v.30.8