a320fl patch cert error

Waiting ADB device... OK
Reading phone info...
Model: SM-A320FL
Android version: 8.0.0
PDA version: A320FLXXU2CRD4
CSC version: A320FLVFR2CRD8
Phone version: A320FLXXU2CRD3
Product code: SM-A320FZKNVD2
CSC country code: Germany
CSC sales code: VD2
Phone SN: RF8JxxxG7X
IMEI: 000000000000000
HW version: MP 0.300
RF cal date: 20170209
Chip name: EXYNOS7870
Modem board: SHANNON315
Security patch: 2018-04-01
Boot Warranty bit: 1
SIM State: 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.34.3