A PHP Error was encountered

Severity: Notice

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

Filename: controllers/Category.php

Line Number: 131

Backtrace:

File: /home/domand21/public_html/clients/greenvalleyvista.com/application/controllers/Category.php
Line: 131
Function: _error_handler

File: /home/domand21/public_html/clients/greenvalleyvista.com/index.php
Line: 315
Function: require_once