A750f unlock error

You have 20 credit(s) left. This operation takes 10 credits.Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-A750F
Android version: 8.0.0
PDA version: A750FXXU1ARIJ
CSC version: A750FODM1ARIK
Phone version: A750FNXXU1ARIC
Product code: SM-A750FZKDINS
CSC country code: India
CSC sales code: INS
Phone SN: RZ8KA37AC5M
IMEI: 351578105012595
HW version: MP0.3
RF cal date: 20181027
Chip name: EXYNOS7885
Modem board: SHANNON327
Security patch: 2018-09-01
Boot Warranty bit: 0
SIM State: ABSENT,ABSENT
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Searching server... OK
Checking server answer... OK
Executing... OK
Reading data from phone... OK
Calculating... OK
Searching server... OK
Waiting for server answer... error (1)
Done with Samsung Tool PRO v.36.0:confused::confused::confused: