A PHP Error was encountered

Severity: Notice

Message: Undefined variable: ProductCategory

Filename: controllers/Product.php

Line Number: 440

Backtrace:

File: D:\wwwroot\shopping\application\controllers\Product.php
Line: 440
Function: _error_handler

File: D:\wwwroot\shopping\application\controllers\Product.php
Line: 21
Function: GetProductDetail

File: D:\wwwroot\shopping\index.php
Line: 319
Function: require_once