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 ('17c9c9089c86decde45633bd9ff95666','0','18.217.203.172','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714867759','thread.php?goto=lastpost&threadid=588&sid=111d43f11e40f0256da1efdd712b6169','0','0','')
mysql error: Duplicate entry '17c9c9089c86decde45633bd9ff95666' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 05.05.2024 @ 02:09
Script: /thread.php?goto=lastpost&threadid=588&sid=111d43f11e40f0256da1efdd712b6169
Referer: http://wehrbauten.de/thread.php?goto=lastpost&threadid=588&sid=111d43f11e40f0256da1efdd712b6169