A Database Error Occurred

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 '-10,10' at line 5

SELECT a.* FROM ((SELECT id,title,intr,add_time,cover_img,search_type,for_crowd,features FROM kc_list WHERE title LIKE "%������%" OR intr LIKE "%������%") UNION ALL (SELECT id,title,intr,add_time,cover_img,search_type,for_crowd,features FROM news_list WHERE title LIKE "%������%" OR intr LIKE "%������%" )) AS a ORDER BY add_time DESC LIMIT -10,10

Filename: models/C_model.php

Line Number: 162