SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: SELECT * FROM bb1_posts WHERE postid = '18876'
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 @ 10:51
Script: /addreply.php?postid=18876&sid=8522d72535b6c5582faa1962b71116e7
Referer: