SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('fb5c0375349a5b7903091ac88c81be73','0','3.17.128.129','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714740529','board.php?boardid=648&sid=433fd1ecb53ad9a217ff5471e1ccb4e2','0','0','')
mysql error: Duplicate entry 'fb5c0375349a5b7903091ac88c81be73' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 03.05.2024 @ 14:48
Script: /board.php?boardid=648&sid=433fd1ecb53ad9a217ff5471e1ccb4e2
Referer: