J200Y Unlocking Problem

Please Help me for unlock J200y
i have z3x pro
i root this device and when i trying to unlock it or read codes it says Try downgrade modem if possible

here is log
Waiting ADB device... OK
Reading phone info...
Model: SM-J200Y
Android version: 5.1.1
PDA version: J200YDOS2AQF2
CSC version: J200YXNZ2AQF2
Phone version: J200YDOU2AQF1
Product code: SM-J200YZKNXNZ
CSC country code: New Zealand
CSC sales code: XNZ
Phone SN: R28HA1Z2P0W
IMEI:
HW version: MP 0.300
RF cal date: 20161019
Chip name: EXYNOS3475
Modem board: SHANNON308
Security patch: 2017-06-01
Boot Warranty bit: 1
Checking Super user right... true
Reading NV data... OK
Checking NV data... OK
Reading data... OK
Detecting MODEM... OK
Reading MODEM... OK
Calculating... OK
Initialization data... 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)
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)
Try downgrade modem if possible
Done with Samsung Tool PRO v.32.4:rolleyes::rolleyes::rolleyes: