A PHP Error was encountered

Severity: Notice

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

Filename: models/Detail_model.php

Line Number: 22

Backtrace:

File: /var/www/tw101/application/models/Detail_model.php
Line: 22
Function: _error_handler

File: /var/www/tw101/application/controllers/Detail.php
Line: 43
Function: getDetailtitle

File: /var/www/tw101/index.php
Line: 315
Function: require_once