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 ('f54325d1cc0cdf3ca6f4c6e470ab05f2','0','18.190.153.51','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)','1713511993','search.php?sid=ad16a3a62cd86d0e1a2dba81b733b652','0','0','')
mysql error: Duplicate entry 'f54325d1cc0cdf3ca6f4c6e470ab05f2' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.44
php version: 5.2.17
Date: 19.04.2024 @ 09:33
Script: /search.php?sid=ad16a3a62cd86d0e1a2dba81b733b652
Referer: