A PHP Error was encountered

Severity: Notice

Message: Undefined index: id

Filename: controllers/Module_product.php

Line Number: 304

Backtrace:

File: /home/natrumaxvn/domains/natrumaxvn.com/public_html/application/modules/Products/controllers/Module_product.php
Line: 304
Function: _error_handler

File: /home/natrumaxvn/domains/natrumaxvn.com/public_html/index.php
Line: 289
Function: require_once