A PHP Error was encountered

Severity: Notice

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

Filename: controllers/Shop.php

Line Number: 40

Backtrace:

File: C:\inetpub\degournay\application\controllers\Shop.php
Line: 40
Function: _error_handler

File: C:\inetpub\degournay\index.php
Line: 315
Function: require_once