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 ('4cd52c2937e5f380623f1e025abd2514','0','3.147.52.243','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1734878408','addreply.php?action=quote&postid=12873','0','0','')
mysql error: Duplicate entry '4cd52c2937e5f380623f1e025abd2514' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 22.12.2024 @ 15:40
Script: /addreply.php?action=quote&postid=12873
Referer: http://gttempel.de/addreply.php?action=quote&postid=12873