A PHP Error was encountered

Severity: Notice

Message: Undefined index: category

Filename: frontend/Store.php

Line Number: 52

Backtrace:

File: /var/www/html/pulicart/application/controllers/frontend/Store.php
Line: 52
Function: _error_handler

File: /var/www/html/pulicart/index.php
Line: 315
Function: require_once