N920T failed to write cert

Hey if anyone could help that would be great.
I have the phone rooted with nobel root kernal and its a new USB cord that worked on another phone and make sure usb debigging is on and that its in RNDIS+MODEM+ADB+ACM
Here are my logs:

Welcome to Octoplus/Octopus Box Samsung software version 2.2.1
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To connect SM-N920T phone you have to perform the following steps:
1. Disconnect USB cable from phone.
2. Go to Menu->Settings->More->About Device.
3.Tap on "Build number" 7 times to enable developer options.
4. Go to Menu->Settings->More->Developer options.
5. Turn on "USB Debugging" option.
———————————————————————————–
Platform: Samsung Android
Selected port: COM220
Selected model: SM-N920T
Searching for a phone. Please wait…
Phone found.
Firmware compiled date: Wed Oct 14 15:30:52 KST 2015
PDA version: N920TUVU2COJ5
CSC version: N920TTMB2COJ5
SW version: N920TUVU2COJ5
Phone IMEI: Unknown
Phone SN: RF8G92J86MX
Android version: 5.1.1 (LMY47X)
Performed by 2.2.1 software version
———————————————————————————–
Platform: Samsung Android
Selected port: COM220
Selected model: SM-N920T
Selected file: C:\Users\Nate\Desktop\cert files\cert\N920T & N920A\SM-
N920T_RF8G725L40D_353756070535596_4-12-2015_17-53-4.cert
Detected phone model: SM-N920T
Firmware compiled date: Wed Oct 14 15:30:52 KST 2015
PDA version: N920TUVU2COJ5
CSC version: N920TTMB2COJ5
SW version: N920TUVU2COJ5
Phone SN: RF8G92J86MX
Android version: 5.1.1 (LMY47X)
Checking Root:
Phone is Rooted.
Reading security backup, please wait…
Writing Certificate failed
Performed by 2.2.1 software version
———————————————————————————–
Platform: Samsung Android
Selected port: COM220
Selected model: SM-N920T
Reading info, please wait…
Detected phone model: SM-N920T
Firmware compiled date: Wed Oct 14 15:30:52 KST 2015
PDA version: N920TUVU2COJ5
CSC version: N920TTMB2COJ5
SW version: N920TUVU2COJ5
Phone SN: RF8G92J86MX
Android version: 5.1.1 (LMY47X)
Performed by 2.2.1 software version
———————————————————————————–
Platform: Samsung Android
Selected port: COM220
Selected model: SM-N920T
Selected file: C:\Users\Nate\Desktop\cert files\cert\N920T & N920A\SM-
N920T_RF8G725L40D_353756070535596_4-12-2015_17-53-4.cert
Detected phone model: SM-N920T
Firmware compiled date: Wed Oct 14 15:30:52 KST 2015
PDA version: Unknown
CSC version: Unknown
SW version: Unknown
Android version: 5.1.1 (LMY47X)
Checking Root:
Writing Certificate failed
Performed by 2.2.1 software version
———————————————————————————–
Platform: Samsung Android
Selected port: COM220
Selected model: SM-N920T
Reading info, please wait…
Detected phone model: SM-N920T
Firmware compiled date: Wed Oct 14 15:30:52 KST 2015
PDA version: N920TUVU2COJ5
CSC version: N920TTMB2COJ5
SW version: N920TUVU2COJ5
Phone SN: RF8G92J86MX
Android version: 5.1.1 (LMY47X)
Performed by 2.2.1 software version
———————————————————————————–
Platform: Samsung Android
Selected port: COM220
Selected model: SM-N920T
Selected file: C:\Users\Nate\Desktop\cert files\cert\N920T & N920A\SM-
N920C_RF8G72K76LH_353410075401277using.cert
Detected phone model: SM-N920T
Firmware compiled date: Wed Oct 14 15:30:52 KST 2015
PDA version: N920TUVU2COJ5
CSC version: N920TTMB2COJ5
SW version: N920TUVU2COJ5
Phone SN: RF8G92J86MX
Android version: 5.1.1 (LMY47X)
Checking Root:
Writing Certificate failed
Performed by 2.2.1 software version
———————————————————————————–
Platform: Samsung Android
Selected port: COM220
Selected model: SM-N920T
Detected phone model: SM-N920T
Firmware compiled date: Wed Oct 14 15:30:52 KST 2015
PDA version: N920TUVU2COJ5
CSC version: N920TTMB2COJ5
SW version: N920TUVU2COJ5
Phone SN: RF8G92J86MX
Android version: 5.1.1 (LMY47X)
Checking Root:
Phone is Rooted.
Reading security backup, please wait…
Phone unlocking failed
Performed by 2.2.1 software version