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 ('1259fac1c6ea6581e9b3febe7363b146','0','18.119.142.113','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1735250059','addreply.php?action=quote&postid=2020','0','0','')
mysql error: Duplicate entry '1259fac1c6ea6581e9b3febe7363b146' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 26.12.2024 @ 22:54
Script: /addreply.php?action=quote&postid=2020
Referer: http://gttempel.de/addreply.php?action=quote&postid=2020