A PHP Error was encountered

Severity: Notice

Message: Undefined offset: 0

Filename: controllers/Shopping_cart.php

Line Number: 169

Backtrace:

File: /home/ttrang0/domains/aothunxanh.vn/public_html/application/controllers/Shopping_cart.php
Line: 169
Function: _error_handler

File: /home/ttrang0/domains/aothunxanh.vn/public_html/index.php
Line: 317
Function: require_once

A PHP Error was encountered

Severity: Notice

Message: Trying to get property of non-object

Filename: controllers/Shopping_cart.php

Line Number: 169

Backtrace:

File: /home/ttrang0/domains/aothunxanh.vn/public_html/application/controllers/Shopping_cart.php
Line: 169
Function: _error_handler

File: /home/ttrang0/domains/aothunxanh.vn/public_html/index.php
Line: 317
Function: require_once