SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: SELECT * FROM bb1_posts WHERE postid = '20481'
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: 01.05.2024 @ 23:58
Script: /thread.php?postid=20481
Referer: