SQL-DATABASE ERROR

Database error in WoltLab Burning Board: Invalid SQL: SELECT COUNT(postid) AS postcount FROM bb279_posts WHERE posttime BETWEEN 1495663200 AND 1495749600
mysql error: Unknown column 'postid' in 'field list'
mysql error number: 1054
Date: 26.05.2017 @ 14:56
Script: /wbb14/279/register.php
Referer: