A PHP Error was encountered

Severity: Notice

Message: Undefined index: title

Filename: product/tag.php

Line Number: 22

Backtrace:

File: /home/baotin/domains/baotinmobile.vn/public_html/application/views/frontend/product/tag.php
Line: 22
Function: _error_handler

File: /home/baotin/domains/baotinmobile.vn/public_html/application/libraries/Layout.php
Line: 20
Function: view

File: /home/baotin/domains/baotinmobile.vn/public_html/application/controllers/Product.php
Line: 596
Function: view

File: /home/baotin/domains/baotinmobile.vn/public_html/index.php
Line: 315
Function: require_once