A PHP Error was encountered

Severity: Notice

Message: Undefined index: id

Filename: pages/promotion.php

Line Number: 6

Backtrace:

File: /home/unipestc/domains/unipest.co.th/public_html/application/views/unipest/pages/promotion.php
Line: 6
Function: _error_handler

File: /home/unipestc/domains/unipest.co.th/public_html/application/views/index_page1.php
Line: 175
Function: view

File: /home/unipestc/domains/unipest.co.th/public_html/application/controllers/Main.php
Line: 67
Function: view

File: /home/unipestc/domains/unipest.co.th/public_html/index.php
Line: 292
Function: require_once