Type: Error
Message: Call to a member function result() on boolean
Filename: /home/winiadm/public_html/application/models/Model_product.php
Line Number: 82
Backtrace:
File: /home/winiadm/public_html/application/controllers/Product.php
Line: 78
Function: select_product_by_subcategory
File: /home/winiadm/public_html/index.php
Line: 315
Function: require_once