A PHP Error was encountered

Severity: Notice

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

Filename: controllers/Category.php

Line Number: 21

Backtrace:

File: /home/websites/pakreseller.com/funnysms/public_html/application/controllers/Category.php
Line: 21
Function: _error_handler

File: /home/websites/pakreseller.com/funnysms/public_html/index.php
Line: 315
Function: require_once