need help to repair j701f cant writr crt n also error in repair

basebnd unkw evry time any solution
n cant dwngrde

Welcome to Octoplus Box Samsung software version 2.6.5
-----------------------------------------------------------------------------------
Platform: Samsung Android
Selected port: COM1
Selected model: SM-J701F
Selected file: C:\Users\aryan\Desktop\crt\SM-J701F_352812092135237
_352813092135235_17-11-2017_20-1-36.cert
Please, press "OK" button on the phone to allow USB debugging.
Detected phone model: SM-J701F
Firmware compiled date: Fri Feb 2 19:30:47 KST 2018
PDA version: J701FDDU3ARB1
CSC version: J701FODD3ARB1
SW version: J701FXXU3ARA6
Phone SN: RZ8K208CPKR
Android version: 7.0 (NRD90M)
Sales code: INS
Country: India
HW platform: exynos5
HW Chip: exynos7870
HW Modem: SHANNON315
Security patch level: 2018-02-01
SIM 1 status: absent
SIM 2 status: absent
Codename: j7veltedx
Checking Root:
Phone is Rooted.
Reading security backup, please wait...
Backup saved as C:\Program Files (x86)\Octoplus\Octoplus_Samsung
\BACKUP\Security-SM-J701F-RZ8K208CPKR-06-03-2018_15-28-
06-.asec file
Select Certificate2...
Selected file: C:\Users\aryan\Desktop\crt\J701F.CERT\SM-J701F_
352812092135237_352813092135235_17-11-2017_20-1-36.cert
Initializing exploit...
Phone will restart now. Please don't disconnect cable!
Searching for a phone. Please wait...
Phone found.
Executing exploit...
Writing Certificate failed
Performed by 2.6.5 Software version.
-----------------------------------------------------------------------------------
Platform: Samsung Android
Selected port: COM1
Selected model: SM-J701F
Detected phone model: SM-J701F
Firmware compiled date: Fri Feb 2 19:30:47 KST 2018
PDA version: J701FDDU3ARB1
CSC version: J701FODD3ARB1
SW version: J701FXXU3ARA6
Phone SN: RZ8K208CPKR
Android version: 7.0 (NRD90M)
Sales code: INS
Country: India
HW platform: exynos5
HW Chip: exynos7870
HW Modem: SHANNON315
Security patch level: 2018-02-01
SIM 1 status: not ready
SIM 2 status: not ready
Codename: j7veltedx
Checking Root:
Phone is Rooted.
Reading security backup, please wait...
Backup saved as C:\Program Files (x86)\Octoplus\Octoplus_Samsung
\BACKUP\Security-SM-J701F-RZ8K208CPKR-06-03-2018_15-32-
07-.asec file
Initializing exploit...
Phone will restart now. Please don't disconnect cable!
Searching for a phone. Please wait...
Phone found.
Executing exploit...
Write IMEI failed
Performed by 2.6.5 Software version.