A PHP Error was encountered

Severity: Notice

Message: Undefined variable: product_title

Filename: views/detail_product.php

Line Number: 66

Backtrace:

File: /home/lamr1674/public_html/application/views/detail_product.php
Line: 66
Function: _error_handler

File: /home/lamr1674/public_html/application/controllers/Product.php
Line: 73
Function: view

File: /home/lamr1674/public_html/index.php
Line: 315
Function: require_once