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 ('c54ddec3201783735ac418e155c951c7','0','18.118.227.69','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714654263','board.php?boardid=243&sid=57c433397aa2f68e162070f72794c572','0','0','')
mysql error: Duplicate entry 'c54ddec3201783735ac418e155c951c7' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 02.05.2024 @ 14:51
Script: /board.php?boardid=243&sid=57c433397aa2f68e162070f72794c572
Referer: