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 '-100, 50' at line 5. SELECT DISTINCT(p.id), p.*, g.img 
					FROM (products p, product_categories pc)  
					LEFT JOIN gallery g ON g.u_id = p.id && type_id = '0' && g.main = '1' 
					WHERE pc.p_id = p.id && pc.c_id IN (256)
					ORDER BY p.active DESC, added desc LIMIT -100, 50