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 product.sort_order ASC' at line 1

SELECT product.id, product.name, product.seo_keyword,product.status FROM product product INNER JOIN product_category_mapper product_category_mapper ON (product.id = product_category_mapper.product_id) WHERE (product_category_mapper.category_id = ) ORDER BY product.sort_order ASC

• line 686 of lib/dmllib.php: call to debugging()
• line 966 of lib/dmllib.php: call to get_recordset_sql()
• line 112 of html: call to get_records_sql()