Fatal error: Uncaught Exception: Error: Incorrect DATE value: 'NULL'<br />Error No: 1525<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 = 'NULL' OR ps.date_start < NOW()) AND (ps.date_end = 'NULL' OR ps.date_end > NOW())) in /var/www/zipasist_ru_usr/data/www/zipasist.ru/system/library/db/mysqli.php:48 Stack trace: #0 /var/www/zipasist_ru_usr/data/www/zipasist.ru/system/library/db.php(45): DB\MySQLi->query('SELECT COUNT(DI...') #1 /var/www/zipasist_ru_usr/data/www/storage/modification/catalog/model/catalog/product.php(591): DB->query('SELECT COUNT(DI...') #2 /var/www/zipasist_ru_usr/data/www/storage/modification/system/engine/loader.php(248): ModelCatalogProduct->getTotalProductSpecials() #3 /var/www/zipasist_ru_usr/data/www/zipasist.ru/system/en in /var/www/zipasist_ru_usr/data/www/zipasist.ru/system/library/db/mysqli.php on line 48