A PHP Error was encountered

Severity: Notice

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

Filename: models/Category_Model.php

Line Number: 16

Backtrace:

File: /var/www/vhosts/abfbilisim.com/httpdocs/application/models/Category_Model.php
Line: 16
Function: _error_handler

File: /var/www/vhosts/abfbilisim.com/httpdocs/application/controllers/Category.php
Line: 16
Function: Get

File: /var/www/vhosts/abfbilisim.com/httpdocs/index.php
Line: 315
Function: require_once