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 ('da2f5cf1552ee5362983d0a86057d53a','0','3.136.19.136','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1734875648','addreply.php?action=quote&postid=4321','0','0','')
mysql error: Duplicate entry 'da2f5cf1552ee5362983d0a86057d53a' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 22.12.2024 @ 14:54
Script: /addreply.php?action=quote&postid=4321
Referer: http://gttempel.de/addreply.php?action=quote&postid=4321