SQL-DATABASE ERROR

Database error in WoltLab Burning Board: Invalid SQL: SELECT COUNT(postid) AS postcount FROM bb279_posts WHERE posttime BETWEEN 1438207200 AND 1438293600
mysql error: Unknown column 'postid' in 'field list'
mysql error number: 1054
Date: 31.07.2015 @ 00:58
Script: /wbb14/279/forgotpw.php
Referer: