A PHP Error was encountered

Severity: Notice

Message: Trying to access array offset on value of type null

Filename: template/nav_menu.php

Line Number: 7

Backtrace:

File: /home/viscodei/public_html/application/views/front/template/nav_menu.php
Line: 7
Function: _error_handler

File: /home/viscodei/public_html/application/views/front/template/media.php
Line: 40
Function: view

File: /home/viscodei/public_html/application/controllers/Public_access.php
Line: 283
Function: view

File: /home/viscodei/public_html/index.php
Line: 315
Function: require_once