A PHP Error was encountered

Severity: Notice

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

Filename: controllers/Home_controller.php

Line Number: 554

Backtrace:

File: /home/nksst/public_html/application/controllers/Home_controller.php
Line: 554
Function: _error_handler

File: /home/nksst/public_html/index.php
Line: 325
Function: require_once