таговве

Database error: Invalid SQL: SELECT n.id AS nid FROM tags_news_link l LEFT JOIN news n ON n.id = l.news_id WHERE active = 1 AND news_time < NOW() AND l.tag_id = 81 ORDER BY n.news_time DESC LIMIT -18, 20
MySQL Error: 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 '-18, 20' at line 15)
Session halted.