Warning: PDO::query(): SQLSTATE[42000]: Syntax error or access violation: 1064 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 ') LIMIT 1' at line 3 in /var/www/clients/client5/web28/web/classes/db/DbPDO.php on line 152

[ SQL 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 ') LIMIT 1' at line 3
            SELECT COUNT(`id_category`)
            FROM `ps_group_reduction`
            WHERE `id_group` IN() LIMIT 1