SM-J250F Unlock error

Selected model: SM-J250F
Selected port: COM153 SAMSUNG Mobile USB Serial Port
Software version: 32.4

Checking Login and Password... OK
Ballance: 10 crd.
You have 10 credit(s) left. This operation takes 5 credits.Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-J250F
Android version: 7.1.1
PDA version: J250FDXU2ARD3
CSC version: J250FOLB2ARD3
Phone version: J250FDXU2ARD3
Product code: SM-J250FZKDXME
CSC country code: MALAYSIA
CSC sales code: XME
Phone SN: RV8K40K34NV
IMEI: 357112092990425
HW version: MP0.900
RF cal date: 2018.04.18
Chip name: MSM8937
Modem board: MSM8917
Security patch: 2018-04-01
Boot Warranty bit: 0
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... COM17 detected
Reading data from phone... OK
Calculating... OK
Searching server... OK
Waiting for server answer... error (1)
Done with Samsung Tool PRO v.32.4