A PHP Error was encountered

Severity: Notice

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

Filename: controllers/Manhattan.php

Line Number: 325

Backtrace:

File: /home/funp232sa/public_html/application/controllers/Manhattan.php
Line: 325
Function: _error_handler

File: /home/funp232sa/public_html/index.php
Line: 315
Function: require_once