A PHP Error was encountered

Severity: Notice

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

Filename: controllers/Product.php

Line Number: 106

Backtrace:

File: /home2/lamdalavn/public_html/application/controllers/Product.php
Line: 106
Function: _error_handler

File: /home2/lamdalavn/public_html/index.php
Line: 317
Function: require_once