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 ('9c5c98ca4313c5c0e3ac2834e062c178','0','3.137.187.233','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715313778','board.php?boardid=481&sid=6ad76d414d5646815a7cb291476b964d','0','0','')
mysql error: Duplicate entry '9c5c98ca4313c5c0e3ac2834e062c178' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 10.05.2024 @ 06:02
Script: /board.php?boardid=481&sid=6ad76d414d5646815a7cb291476b964d
Referer: http://wehrbauten.de/board.php?boardid=481&sid=6ad76d414d5646815a7cb291476b964d