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: 5.7.26-nmm1-log
php version: 5.6.38-nmm2
Date: 16.10.2019 @ 00:38
Script: /g_rad.php
Referer: