A PHP Error was encountered

Severity: Notice

Message: Undefined offset: 0

Filename: controllers/Posts.php

Line Number: 69

Backtrace:

File: /home/nhatrangdev.vn/public_html/application/controllers/Posts.php
Line: 69
Function: _error_handler

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