A PHP Error was encountered

Severity: Notice

Message: Undefined variable: brand_name

Filename: controllers/Car_sale.php

Line Number: 43

Backtrace:

File: /home/c/cs31005/public_html/application/controllers/Car_sale.php
Line: 43
Function: _error_handler

File: /home/c/cs31005/public_html/index.php
Line: 296
Function: require_once