Fatal error: Uncaught exception 'Exception' with message 'Error: Unknown column 'ps.quantity' in 'where clause'<br />Error No: 1054<br />SELECT COUNT(DISTINCT ps.product_id) AS total FROM oc_product_special ps LEFT JOIN oc_product p ON (ps.product_id = p.product_id) LEFT JOIN oc_product_to_store p2s ON (p.product_id = p2s.product_id) WHERE p.status = '1' AND p.date_available <= NOW() AND p2s.store_id = '0' AND ps.customer_group_id = '1' AND ((ps.date_start = '0000-00-00' OR ps.date_start < NOW()) AND (ps.date_end = '0000-00-00' OR ps.date_end > NOW()))  AND ps.quantity > 0' in /home/p/pricetema/opencart3/public_html/system/library/db/mysqli.php:40
Stack trace:
#0 /home/p/pricetema/opencart3/public_html/system/library/db.php(45): DB\MySQLi->query('SELECT COUNT(DI...')
#1 /home/p/pricetema/opencart3/public_html/catalog/model/catalog/product.php(531): DB->query('SELECT COUNT(DI...')
#2 [internal function]: ModelCatalogProduct->getTotalProductSpecials()
#3 /home/p/pricetema/opencart3/storage/modification/system/engine/loader. in /home/p/pricetema/opencart3/public_html/system/library/db/mysqli.php on line 40