A PHP Error was encountered

Severity: Notice

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

Filename: frontend/categorysubproduct.php

Line Number: 108

Backtrace:

File: /home/arventis/public_html/application/views/frontend/categorysubproduct.php
Line: 108
Function: _error_handler

File: /home/arventis/public_html/application/controllers/Site.php
Line: 179
Function: view

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