Retiazky na nohu z bieleho zlata

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 ') AND option_id=4 ORDER BY CAST(`value` AS SIGNED)' at line 1
SELECT DISTINCT `value` FROM artikel_option WHERE artikel_id IN () AND option_id=4 ORDER BY CAST(`value` AS SIGNED)