A PHP Error was encountered

Severity: Notice

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

Filename: product/open.php

Line Number: 94

Backtrace:

File: /var/www/clients/client2/web88/web/application/views/product/open.php
Line: 94
Function: _error_handler

File: /var/www/clients/client2/web88/web/application/controllers/Product.php
Line: 116
Function: view

File: /var/www/clients/client2/web88/web/index.php
Line: 315
Function: require_once