A PHP Error was encountered

Severity: Notice

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

Filename: controllers/News.php

Line Number: 21

Backtrace:

File: /home/grandasset/domains/grandasset.co.th/public_html/application/controllers/News.php
Line: 21
Function: _error_handler

File: /home/grandasset/domains/grandasset.co.th/public_html/index.php
Line: 317
Function: require_once