A PHP Error was encountered

Severity: Notice

Message: Trying to get property 'category_id' of non-object

Filename: controllers/Product.php

Line Number: 47

Backtrace:

File: /home3/naturmmp/public_html/application/controllers/Product.php
Line: 47
Function: _error_handler

File: /home3/naturmmp/public_html/index.php
Line: 315
Function: require_once