SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb3_user2awards (userid, awardid, autoawardid, beschreibung) VALUES ('243', '10', '15', 'Top Räuber')
mysql error: Duplicate entry '243-10-15' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.11.8-MariaDB-0ubuntu0.24.04.1-log
php version: 5.6.40-nmm10
Date: 15.01.2025 @ 20:57
Script: /board.php?boardid=170&sid=689c0996b023ef65c450172b2b3342e1
Referer: