Notice: Undefined property: product::$id in /home/phsinfo/public_html/system/app/controllers/home_controller.php on line 371

SQL Error on: SELECT `product`.* FROM `product` WHERE published IS NOT NULL AND product_id= ORDER BY display_order

You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'ORDER BY display_order' at line 1