SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: SELECT * FROM bb1_posts WHERE postid = '250291'
mysql error: Table 'iphoneci_forum.bb1_posts' doesn't exist
mysql error number: 1146
mysql version: 10.0.21-MariaDB-log
php version: 5.4.43
Date: 05.09.2015 @ 14:11
Script: /thread.php?postid=250291
Referer: