A PHP Error was encountered

Severity: Notice

Message: Undefined offset: 0

Filename: models/Category_model.php

Line Number: 8

Backtrace:

File: /var/www/vhosts/accuratemeezan.om/httpdocs/application/models/Category_model.php
Line: 8
Function: _error_handler

File: /var/www/vhosts/accuratemeezan.om/httpdocs/application/controllers/Product.php
Line: 78
Function: get_sub_categories

File: /var/www/vhosts/accuratemeezan.om/httpdocs/index.php
Line: 315
Function: require_once