SQL-DATABASE ERROR

Database error in WoltLab Burning Board: Invalid SQL: SELECT COUNT(postid) AS postcount FROM bb279_posts WHERE posttime BETWEEN 1414623600 AND 1414710000
mysql error: Unknown column 'postid' in 'field list'
mysql error number: 1054
Date: 31.10.2014 @ 04:58
Script: /wbb14/279/calender.php
Referer: