SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb2_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('6f0268021cda48606cb7b0bfb7ebe8b9','0','3.138.105.89','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716451828','report.php?postid=171661','0','0','')
mysql error: Duplicate entry '6f0268021cda48606cb7b0bfb7ebe8b9' for key 1
mysql error number: 1062
mysql version: 4.1.22-standard
php version: 5.3.29-1+hw8
Date: 23.05.2024 @ 04:10
Script: /danielamos/wbb2/report.php?postid=171661
Referer: