SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl 2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('8ef4b0d1825e877ff54bca743839a627','0','3.133.141.6','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)','1713892837','thread.php?goto=nextoldest&threadid=69647&sid=47834914737ac71d32d8ba2de7a3c112','0','0','')
mysql error: Duplicate entry '8ef4b0d1825e877ff54bca743839a627' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.44
php version: 5.2.17
Date: 23.04.2024 @ 19:20
Script: /thread.php?goto=nextoldest&threadid=69647&sid=47834914737ac71d32d8ba2de7a3c112
Referer: