g960f unlock failed

Operation: Read Codes via Server
Selected model: SM-G960F
Software version: 32.7

Checking Login and Password... OK
Ballance: 10 crd.
You have 10 credit(s) left. This operation takes 10 credits.Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-G960F
Android version: 8.0.0
PDA version: G960FXXU1ARC5
CSC version: G960FOXM1ARC4
Phone version: G960FXXU1ARB1
Product code: SM-G960FZBDNEE
CSC country code: Nordic
CSC sales code: NEE
Phone SN: R58K32HDPDZ
IMEI: 35717109XXXXX
HW version: MP 0.900
RF cal date: 20180302
Chip name: EXYNOS9810
Modem board: SHANNON360
Security patch: 2018-03-01
Boot Warranty bit: 0
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
Executing... error (3.8.1)
Reboot phone and try again

Done with Samsung Tool PRO v.32.7