SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: SELECT * FROM bb1_posts WHERE postid = '20436'
mysql error: Table 'usr_web3_1.bb1_posts' doesn't exist
mysql error number: 1146
mysql version: 10.0.32-MariaDB-0+deb8u1
php version: 5.6.33-0+deb8u1
Date: 26.04.2024 @ 12:00
Script: /addreply.php?action=quote&postid=20436&sid=f498ac026ed1178cc3fd3ff3bb00f1de
Referer: