SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb3_user2awards (userid, awardid, autoawardid, beschreibung) VALUES ('2999', '29', '23', 'Top xQuiz')
mysql error: Duplicate entry '2999-29-23' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.5.23-MariaDB-1:10.5.23+maria~ubu2004-log
php version: 5.6.40-nmm8
Date: 29.05.2024 @ 08:09
Script: /thread.php?threadid=1064&sid=2326bdaba3abe1f9f8d7005e1a272e8a
Referer: