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 ('4e929073a776bc3e30b2ad14519e2eef','0','3.142.196.223','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715611514','thread.php?goto=lastpost&threadid=2499&sid=cd9d84a8ec253de0b4889bb90dcf8e98','0','0','')
mysql error: Duplicate entry '4e929073a776bc3e30b2ad14519e2eef' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 13.05.2024 @ 16:45
Script: /thread.php?goto=lastpost&threadid=2499&sid=cd9d84a8ec253de0b4889bb90dcf8e98
Referer: http://wehrbauten.de/thread.php?goto=lastpost&threadid=2499&sid=cd9d84a8ec253de0b4889bb90dcf8e98