Need help ...J730f cant unlock

Operation: Unlock
Selected model: SM-J730F
Software version: 29.2

Waiting ADB device...
Please, allow USB debugging on phone... OK
Reading phone info...
Model: SM-J730F
Android version: 7.0
Product code: SM-J730FZKHKSA
Phone version: J730FXXU2ARA3
PDA version: J730FXWU2ARE2
CSC version: J730FOJV2ARE2
CSC country code: KSA
CSC sales code: KSA
HW version: MP 0.500
Phone SN: RF8K41WRC7J
Chip name: EXYNOS7870
Modem board: SHANNON315
Security patch: 2018-05-01
RF cal date: 20180418
IMEI:
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.29.2