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 ('4c9c39d479b4533761bdbf5dc8815222','0','13.58.25.33','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745063916','addreply.php?postid=33608','0','0','')
mysql error: Duplicate entry '4c9c39d479b4533761bdbf5dc8815222' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 19.04.2025 @ 13:58
Script: /addreply.php?postid=33608
Referer: http://gttempel.de/addreply.php?postid=33608