J810f unlock error

Hello,
I am having a problem unlocking J810f. Some help or advice would be appreciated


Checking Login and Password... OK
Ballance: 15 crd.
You have 15 credit(s) left. This operation takes 10 credits.Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-J810F
Android version: 8.0.0
PDA version: J810FJXU1ARF2
CSC version: J810FOJM1ARF2
Phone version: J810FXXU1ARF2
Product code: SM-J810FZKGKSA
CSC country code: KSA
CSC sales code: KSA
Phone SN: R58K848GSYK
IMEI: 35912xxxxxxxxxx
HW version: MP 0.500
RF cal date: 2018.08.22
Chip name: SDM450
Modem board: SDM450
Security patch: 2018-04-01
Boot Warranty bit: 0
SIM State: NETWORK_LOCKED,ABSENT
Rebooting phone... OK
Waiting ADB device... OK
Rebooting phone... OK
Waiting ADB device... OK
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... COM55 detected
Reading data from phone... error (3 0)

Done with Samsung Tool PRO v.34.3