You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'ORDER BY main_pic desc
-- /var/www/vhosts/optitravel.net/httpdocs/optitravel/onl' at line 1

SELECT * FROM static_images WHERE entity='' AND related_id= ORDER BY main_pic desc
-- /var/www/vhosts/optitravel.net/httpdocs/optitravel/online/www/layout48/res_trf_tour/res_trf_tour_1.php - getProdutctMedia (106) >> /var/www/vhosts/optitravel.net/httpdocs/optitravel/includes/func_transfertours.php - SelectLimit (84)