SQL-DATABASE ERROR

Database error in WoltLab Burning Board (): Invalid SQL: SELECT threadid, if (voted>0 AND voted>=0,votepoints/voted,0) AS vote FROM bb1_threads WHERE boardid='12' AND visible = 1 AND important < 2 AND (important=1 OR lastposttime >= '1715725880') ORDER BY important DESC, , lastposttime DESC
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 ' lastposttime DESC' at line 1
mysql error number: 1064
mysql version: 5.5.62-0+deb8u1
php version: 5.6.40-0+deb8u12
Date: 15.05.2024 @ 00:31
Script: /board/board.php?boardid=12&sid=9ae18cf853e634ba880aeaa252a41341
Referer: