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 ('429f97241dc3f4b2725d2ac7d39d48f7','0','3.142.131.51','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1736424886','addreply.php?postid=26858','0','0','')
mysql error: Duplicate entry '429f97241dc3f4b2725d2ac7d39d48f7' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 09.01.2025 @ 13:14
Script: /addreply.php?postid=26858
Referer: http://gttempel.de/addreply.php?postid=26858