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 ('de131995d68fce13fed11482a428489d','0','52.15.234.217','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745059735','addreply.php?action=quote&postid=9634','0','0','')
mysql error: Duplicate entry 'de131995d68fce13fed11482a428489d' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 19.04.2025 @ 12:48
Script: /addreply.php?action=quote&postid=9634
Referer: http://gttempel.de/addreply.php?action=quote&postid=9634