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 ('95e0fa5725e8107723db32419df8d1a2','0','18.119.160.154','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714548129','addreply.php?postid=395036&sid=95dfbae7ae1c254c2a951f649165daae','0','0','')
mysql error: Duplicate entry '95e0fa5725e8107723db32419df8d1a2' for key 1
mysql error number: 1062
mysql version: 4.1.22-standard
php version: 5.3.29-1+hw8
Date: 01.05.2024 @ 03:22
Script: /wbb2/addreply.php?postid=395036&sid=95dfbae7ae1c254c2a951f649165daae
Referer: