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 ('b6f320f047a6e44782d83e52249a00a7','0','3.12.84.165','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1743831936','addreply.php?postid=33912','0','0','')
mysql error: Duplicate entry 'b6f320f047a6e44782d83e52249a00a7' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 05.04.2025 @ 07:45
Script: /addreply.php?postid=33912
Referer: http://gttempel.de/addreply.php?postid=33912