SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.1.3): Invalid SQL: SELECT id, userid, boardid, name, postid, chartype, infos, titlecmd, avatar FROM dn_rpg_chars WHERE boardid = ORDER BY chartype 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 'ORDER BY chartype DESC' at line 1
mysql error number: 1064
mysql version: 5.1.47-1~bpo50+1-log
php version: 5.2.12
Date: 10.09.2010 @ 00:37
Script: /_t10064/
Referer: