A PHP Error was encountered

Severity: Notice

Message: Undefined index: CategoryName

Filename: product/product_detail_standard.php

Line Number: 7

Backtrace:

File: D:\wwwroot\shopping\application\views\product\product_detail_standard.php
Line: 7
Function: _error_handler

File: D:\wwwroot\shopping\application\core\MY_Controller.php
Line: 22
Function: view

File: D:\wwwroot\shopping\application\controllers\Product.php
Line: 80
Function: load_view

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