A PHP Error was encountered

Severity: Notice

Message: Trying to get property of non-object

Filename: medias/category.php

Line Number: 12

Backtrace:

File: /home/esth0220/domains/esthevaspa.vn/private_html/application/views/medias/category.php
Line: 12
Function: _error_handler

File: /home/esth0220/domains/esthevaspa.vn/private_html/application/controllers/Media.php
Line: 72
Function: view

File: /home/esth0220/domains/esthevaspa.vn/private_html/index.php
Line: 315
Function: require_once