SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.2.1): Invalid SQL: SELECT postid FROM bb1_posts WHERE threadid = '2271' AND visible=1 ORDER BY posttime ASC LIMIT -60, 15
mysql error: 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 '-60, 15' at line 1
mysql error number: 1064
mysql version: 5.5.38-35.2-log
php version: 5.3.29
Date: 21.10.2014 @ 04:07
Script: /td2271_top-3-tracks-im-moment.html
Referer: