reply to staff on support ticket

I got one last issue on the system I am building as just doing testing and I did a test reply from my admin side to the front end user and now want the front end user to reply to the support staff from front end but for some reason it's not adding the reply into the ticket_replies db table. I am not getting any errors which don't help haha. Below is the whole code I have

<?php

// Initialize the session
session_start();

// Check if the user is logged in, if not then redirect him to...

PHP:

reply to staff on support ticket

from PHP https://ift.tt/2wt5kpW
via IFTTT