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 ('e0dd0eb192a02fa46943dfb0e4f4c567','0','18.219.22.169','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714863091','thread.php?goto=lastpost&threadid=586&sid=e2ab744091794ac8e2f760a2cb1562a3','0','0','')
mysql error: Duplicate entry 'e0dd0eb192a02fa46943dfb0e4f4c567' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 05.05.2024 @ 00:51
Script: /thread.php?goto=lastpost&threadid=586&sid=e2ab744091794ac8e2f760a2cb1562a3
Referer: http://wehrbauten.de/thread.php?goto=lastpost&threadid=586&sid=e2ab744091794ac8e2f760a2cb1562a3