A PHP Error was encountered

Severity: Notice

Message: Undefined offset: 0

Filename: models/Tintuc_model.php

Line Number: 131

Backtrace:

File: /home/electr39/iyoloenglish.edu.vn/application/models/Tintuc_model.php
Line: 131
Function: _error_handler

File: /home/electr39/iyoloenglish.edu.vn/application/controllers/Tintuc.php
Line: 497
Function: demviewById

File: /home/electr39/iyoloenglish.edu.vn/index.php
Line: 315
Function: require_once