SQL-DATABASE ERROR

Database error in WoltLab Burning Board: Invalid SQL: SELECT COUNT(postid) AS postcount FROM bb279_posts WHERE posttime BETWEEN 1427839200 AND 1427925600
mysql error: Unknown column 'postid' in 'field list'
mysql error number: 1054
Date: 02.04.2015 @ 02:19
Script: /wbb14/279/calender.php
Referer: