Fatal error: Uncaught Exception: Error: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '' at line 1<br />Error No: 1064<br />SELECT GROUP_CONCAT(DISTINCT product_id ) as product_id FROM `oc_product_related_wb` WHERE category_id = in /var/www/spb-xiaomi.ru/data/www/moscow-xiaomi.ru/system/storage/modification/system/library/db/mysqli.php:52 Stack trace: #0 /var/www/spb-xiaomi.ru/data/www/moscow-xiaomi.ru/system/storage/modification/system/library/db.php(210): DB\MySQLi->query('SELECT GROUP_CO...', Array) #1 /var/www/spb-xiaomi.ru/data/www/moscow-xiaomi.ru/system/storage/modification/catalog/model/catalog/product.php(1529): DB->query('SELECT GROUP_CO...') #2 /var/www/spb-xiaomi.ru/data/www/moscow-xiaomi.ru/system/storage/modification/system/engine/loader.php(212): ModelCatalogProduct->getRelatedCategoryProduct(Array) #3 /var/www/spb-xiaomi.ru/data/www/moscow-xiaomi.ru/system/engine/proxy.php(30): Loader->{closure}(Array, Array) #4 /var in /var/www/spb-xiaomi.ru/data/www/moscow-xiaomi.ru/system/storage/modification/system/library/db/mysqli.php on line 52