SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: SELECT * FROM bb1_posts WHERE postid = '20395'
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: 27.04.2024 @ 00:39
Script: /editpost.php?postid=20395&sid=19751fedcad1268ba8c04192fd5b5348
Referer: