An Error Was Encountered

Error Number: 1064

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 '-20,20' at line 8

SELECT SQL_CALC_FOUND_ROWS a.* , ag.picture,ag.picture_title,ag.main , r.nume AS destinatie, s.name AS sectiune, ap.price, ap.price_type FROM `articole` a LEFT JOIN `regiuni` r ON a.region_id = r.id LEFT JOIN `sections` s ON a.section_id = s.id LEFT JOIN articole_gallery ag ON (a.id = ag.article_id AND ag.main=1) LEFT JOIN articole_preturi ap ON a.id = ap.article_id WHERE region_id IN (124) GROUP BY a.id ORDER BY publish_date DESC LIMIT -20,20