Sm-g965 unlock error

Waiting ADB device... OK
Reading phone info...
Model: SM-G965F
Android version: 8.0.0
PDA version: G965FXXU1ARC5
CSC version: G965FOXM1ARC4
Phone version: G965FXXU1ARC4
Product code: SM-G965FZKEXEU
CSC country code: UK & IRE
CSC sales code: XEU
Phone SN: RF8K1144D1N
IMEI: 352402097074753
HW version: MP 0.900
RF cal date: 20180119
Chip name: EXYNOS9810
Modem board: SHANNON360
Security patch: 2018-03-01
Boot Warranty bit: 1
Searching server... OK
Checking server answer... 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 (6.15)

Done with Samsung Tool PRO v.32.4
sir
solution need early