A PHP Error was encountered

Severity: Notice

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

Filename: inc/daotao.php

Line Number: 16

Backtrace:

File: /home/quanlyluhanh/public_html/templates/full/2018/inc/daotao.php
Line: 16
Function: _error_handler

File: /home/quanlyluhanh/public_html/templates/full/2018/home.php
Line: 82
Function: view

File: /home/quanlyluhanh/public_html/templates/index.php
Line: 2
Function: view

File: /home/quanlyluhanh/public_html/web/application/controllers/News.php
Line: 362
Function: view

File: /home/quanlyluhanh/public_html/web/application/controllers/News.php
Line: 250
Function: loadView

File: /home/quanlyluhanh/public_html/index.php
Line: 315
Function: require_once