A PHP Error was encountered

Severity: Notice

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

Filename: pages/product_details.php

Line Number: 9

Backtrace:

File: /home/mujeza/public_html/old/application/views/pages/product_details.php
Line: 9
Function: _error_handler

File: /home/mujeza/public_html/old/application/controllers/Home.php
Line: 555
Function: view

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