SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_user2awards (userid, awardid, autoawardid, beschreibung) VALUES ('782', '4', '14', 'Mindestens 1 Jahr im Forum.')
mysql error: Duplicate entry '782-4-14' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.5.54-0+deb7u2
php version: 5.4.45-0+deb7u7
Date: 16.10.2018 @ 13:20
Script: /board.php?boardid=70&sid=2a882f8fc5e61eb0ff640bdc2599669f
Referer: