Tp450 unlocking problem [Answered]

I am trying to unlock TP450 it fails at sending data to server?

here is my log kindly check.

Welcome to Octoplus/Octopus Box LG Software version 2.9.2
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Connecting to server ...OK
Username: wcuahrb
Authorizing...OK
Checking balance...OK
Your balance: 100 credits.
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Checking data...OK
Platform: LG Qualcomm
Selected port: COM344
Selected model: TP450
Reading info...
Model ID: LG-TP450
IMEI: 356700-01-364129-0
Android version: 7.0
Battery level: 51%
Mode: Normal
Firmware compiled date: Nov 18 2018
Firmware compiled time: 21:00:00
Firmware released date: Nov 22 2018
Firmware released time: 18:19:41
SW Version: MPSS.TA.2.3.c4-00034-8940_GEN_PACK-1.178616.1
IMEI: 356700-01-364129-0
SPC: 000000
Checking root access...
Initializing ADB...OK
Waiting for phone...OK
Phone is already rooted.
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Connecting to server...OK
Octopus smart card is present.
Checking smart card...OK
Username: wcuahrb
Authorizing...OK
Checking balance...OK
Checking operation...OK
Sending device information...OK
Get credits, needed for current operation...OK
Your balance: 100 credits.
To perform "Unlock" operation you need to have 100 credits.
Sending exploit...OK
Executing exploit...OK
Sending data to server...
Step 1.c...Failed!
Unlock Failed
Please, reboot the phone and try again.
Rebooting phone...
Performed by 2.9.2 Software version.