SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('e4cff342285919bf4b767d3a1ad553ee','0','18.190.156.212','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716347068','search.php?sid=536bc6fa0eb6118c50aeea1f0d32d5ee','0','0','')
mysql error: Duplicate entry 'e4cff342285919bf4b767d3a1ad553ee' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.1.48-MariaDB-0ubuntu0.18.04.1
php version: 7.4.33
Date: 22.05.2024 @ 05:04
Script: /search.php?sid=536bc6fa0eb6118c50aeea1f0d32d5ee
Referer: