SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: SELECT userid from bb1_xybirthday where `xybirthdays` LIKE'2024-%'
mysql error: Table 'usr_web21_1.bb1_xybirthday' doesn't exist
mysql error number: 1146
mysql version: 10.0.32-MariaDB-0+deb8u1
php version: 5.6.33-0+deb8u1
Date: 28.04.2024 @ 00:03
Script: /index.php?sid=af51ea45f147c690dc6ed1dfdc9ab1db
Referer: