G611F Patch cert Error

Operation: Patch Certificate
Selected model: SM-G611F
Software version: 36.8

Waiting ADB device... OK
Reading phone info...
Model: SM-G611F
Android version: 8.0.0
PDA version: G611FXXU1BRI6
CSC version: G611FOJV1BRJ4
Phone version: G611FDDU1BRI1
Product code: SM-G611FZKDXSG
CSC country code: UAE
CSC sales code: XSG
Phone SN: R58KB22LPLJ
IMEI: 354511090607316
HW version: MP 0.100
RF cal date: 20181109
Chip name: EXYNOS7870
Modem board: SHANNON315
Security patch: 2018-10-01
Boot Warranty bit: 1
SIM State: ABSENT,ABSENT
Checking Super user right... true
Reading NV data... OK
Checking NV data... OK
Reading data... OK
Detecting MODEM... OK
Reading MODEM... OK
Calculating... OK
Initialization data... OK
Writing zTool... OK
Initialization zTool... error (1)

Done with Samsung Tool PRO v.36.8