what is problem

Welcome to Octoplus Box Samsung software version 2.7.9

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Platform: Samsung Android
Selected port: COM1
Selected model: SM-G935F
Operation: Repair Network
Detected phone model: SM-G935F
Firmware compiled date: Wed Mar 13 12:46:04 KST 2019
PDA version: G935FXXS4ESCB
CSC version: G935FOJV4ESAH
SW version: G935FXXU4ESAE
Phone SN: 00000000000
Android version: 8.0.0 (R16NW)
Sales code: XSG
Country: UAE
HW platform: exynos5
HW Chip: exynos8890
HW Modem: SHANNON335
Security patch level: 2019-03-01
Warranty Void: 0
SIM 1 status: ready
SIM 2 status: absent
Codename: hero2ltexx
Checking Root:
Phone is Rooted.
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Connecting to server ..
Username: awanbrother
Login error: Incorrect Username!
Repairing network failed.
Performed by 2.7.9 Software version.