Fatal error: Uncaught Exception: Error: 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 ')' at line 1<br />Error No: 1064<br />SELECT COUNT(*) is_same FROM oc_product_to_category WHERE product_id = 33 AND category_id IN () in /data/htdocs/opencart/upload/system/library/db/mysqli.php:41 Stack trace: #0 /data/htdocs/opencart/upload/system/library/db.php(45): DB\MySQLi->query('SELECT COUNT(*)...') #1 /data/htdocs/opencart/upload/catalog/model/catalog/product.php(583): DB->query('SELECT COUNT(*)...') #2 /data/htdocs/opencart/storage/modification/system/engine/loader.php(248): ModelCatalogProduct->getSameOnSaleProducts(9) #3 /data/htdocs/opencart/upload/system/engine/proxy.php(47): Loader->{closure}(Array, Array) #4 /data/htdocs/opencart/storage/modification/catalog/controller/product/product.php(673): Proxy->__call('getSameOnSalePr...', Array) #5 /data/htdocs/opencart/storage/modification/system/engine/action.php(79): ControllerProductProduc in /data/htdocs/opencart/upload/system/library/db/mysqli.php on line 41