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 ('6c1eff3e6f6bd96d109960156e3ef47a','0','13.58.25.33','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745063919','addreply.php?postid=5066','0','0','')
mysql error: Duplicate entry '6c1eff3e6f6bd96d109960156e3ef47a' 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=5066
Referer: http://gttempel.de/addreply.php?postid=5066