A PHP Error was encountered

Severity: Notice

Message: Trying to get property of non-object

Filename: controllers/Slug.php

Line Number: 26

Backtrace:

File: /home/edulich/domains/edulich.vn/ci_app/modules/slug/controllers/Slug.php
Line: 26
Function: _error_handler

File: /home/edulich/domains/edulich.vn/public_html/index.php
Line: 322
Function: require_once