SM-J260F unable to patch certificate

Code:

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Chimera Mobile Phone Utility version: 21.07.1241 @ 2019-05-11
Printing phone history

Patch Certificate
5/11/2019
5:52:02
AM

Get Info
5/11/2019
5:48:02
AM

Knoxguard Unlock
5/11/2019
5:46:39
AM

Rmm Unlock
5/11/2019
5:16:52
AM

Knoxguard Unlock
5/11/2019
5:15:50
AM

Patch certificate started
Unable to detect IMEI number.
Gathering phone info...
Collecting information. Be patient! Do NOT disconnect the phone!
Model: SM-J260F
Sales Code: KSA
Country Code: KSA
Timezone: Asia/Dhaka
Android Version: 8.1.0 [M1AJB] [SDK 27]
Build Date: Tue Jan 8 16:03:40 KST 2019
PDA Version: J260FXXU1ASA1 [january 2019, rev1]
Phone Version: J260FXXU1ASA1 [january 2019, rev1]
CSC Version: J260FOJM1ASA1 [january 2019, rev1]
Board Platform: EXYNOS5
Modem Platform: SHANNON305
Serial Number: R28M114DBGM
Battery Status: 3.94V (72%)
Network Type: GSM
SIM Status: ABSENT,ABSENT
Multisim Config: DSDS
Warranty Bit: 0
Security Patch: 2018-12-01
Data Encryption State: encrypted
Preparing...
Checking current patchcert.
Checking modem.
Checking root.
The phone is rooted by: 18.1: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: [05.11.19 12:02:13]
WorkID: 59355177

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