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 ('8fb83a64d6a4314b2d939805380dc970','0','3.141.197.212','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715705596','login.php?sid=93a2f267082258ef6f4ad712acd51290','0','0','')
mysql error: Duplicate entry '8fb83a64d6a4314b2d939805380dc970' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 14.05.2024 @ 18:53
Script: /login.php?sid=93a2f267082258ef6f4ad712acd51290
Referer: http://wehrbauten.de/login.php?sid=93a2f267082258ef6f4ad712acd51290