Fatal error: Uncaught mysqli_sql_exception: 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 'ps_product_sale` ps LEFT JOIN `ps_product` p ON ps.`id_product` = p.`id_p...' at line 6 in /var/www/vhosts/abc-zoo.sk/httpdocs/classes/MySQL.php:86 Stack trace: #0 /var/www/vhosts/abc-zoo.sk/httpdocs/classes/MySQL.php(86): mysqli_query() #1 /var/www/vhosts/abc-zoo.sk/httpdocs/classes/ProductSale.php(173): MySQL->ExecuteS() #2 /var/www/vhosts/abc-zoo.sk/httpdocs/best-sales.php(13): ProductSale::getBestSales() #3 {main} thrown in /var/www/vhosts/abc-zoo.sk/httpdocs/classes/MySQL.php on line 86