SM-G318H Unlock Failed ..ANYONE PLEASE HELP

Welcome to Octoplus/Octopus Box Samsung software version 2.2.0
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Platform: Samsung Android
Selected port: COM44
Selected model: SM-G318H
Please, press "OK" button on the phone to allow USB debugging..
Detected phone model: SM-G318H
Firmware compiled date: Wed Jul 8 21:55:04 KST 2015
PDA version: G318HXCU0AOG5
CSC version: G318HVNX0AOG2
SW version: G318HXCU0AOF1
Phone IMEI: 354911072903529
Phone SN: R21GC0BZVSK
Android version: 4.4.4 (KTU84P)
Connecting to phone’s modem port, please wait…
Phone unlocking failed

PLEASE CAN ANYONE HELP ME FIX THIS! 🙁