A PHP Error was encountered

Severity: Notice

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

Filename: models/Theme_two_model.php

Line Number: 676

Backtrace:

File: /home/saerpxyz/smartagrovet.com/application/models/Theme_two_model.php
Line: 676
Function: _error_handler

File: /home/saerpxyz/smartagrovet.com/application/controllers/Theme_two.php
Line: 92
Function: select_product_details

File: /home/saerpxyz/smartagrovet.com/index.php
Line: 315
Function: require_once