SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb3_user2awards (userid, awardid, autoawardid, beschreibung) VALUES ('167', '23', '6', 'Top Sudoku')
mysql error: Duplicate entry '167-23-6' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.28-nmm1-log
php version: 5.6.38-nmm2
Date: 14.12.2019 @ 08:54
Script: /jgs_portal_box.php?id=10
Referer: