G960F 8.0 Patch Cert fail ((Unable to patch certificate ))) ????

Chimera Mobile Phone Utility version: 21.25.1302 @ 2019-05-27
Printing phone history

Patch Certificate
27.05.2019
16:39:37

Patch Certificate
27.05.2019
16:29:00

Patch Certificate
27.05.2019
16:26:31

Patch Certificate
27.05.2019
16:23:25

Get Info
27.05.2019
16:23:02

Patch certificate started
Gathering phone info...
Collecting information. Be patient! Do NOT disconnect the phone!
Model: SM-G960F
Sales Code: EVR
Country Code: UK
Timezone: Europe/Istanbul
Android Version: 8.0.0 [R16NW] [SDK 26]
Build Date: Thu Aug 9 15:12:12 KST 2018
PDA Version: G960FXXU2BRH4 [august 2018, rev4]
Phone Version: G960FXXU2BRH4 [august 2018, rev4]
CSC Version: G960FOBE2BRH1 [august 2018, rev1]
Product Code: EVR
HIDSw Version: G960FXXU2BRH4/G960FOBE2BRH1/G960FXXU2BRH4/G960FXXU2BRH4
Board Platform: EXYNOS5
Modem Platform: SHANNON360
Serial Number: R58K31AN2YB
Imei: 354828043xxxxxx
Unique Number: CE01182160447E26017E
Connections: AT,MTP
Battery Status: 3.80V (40%)
Network Type: GSM
SIM Status: ABSENT
Multisim Config: SS
Knox Version: v30
Warranty Bit: 0
Security Patch: 2018-08-01
Data Encryption State: unsupported
Preparing...
Checking current patchcert.
Checking modem.
Checking root.
The phone is rooted by: 18.0:MAGISKSU (topjohnwu)
Checking boot image. Be patient! Do NOT disconnect the phone!
The knox is still valid. Because of the boot patch the warranty will void.
Writing boot image.
Restarting phone.
Waiting for ADB connection. Be patient! Do NOT disconnect the phone!
Reading data...
Checking modem version.
Restarting phone.
Waiting for ADB connection. Be patient! Do NOT disconnect the phone!
Reading data. Be patient! Do NOT disconnect the phone!
Unable to patch certificate.
Finished at local time: [05.27.19 19:49:28]
WorkID: 60895228