SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('403309f172b3837a8c196b53bc5f2540','0','216.73.216.176','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1758052868','thread.php?postid=92975','0','0','')
mysql error: Duplicate entry '403309f172b3837a8c196b53bc5f2540' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.33-0ubuntu0.16.04.1
php version: 5.6.40
Date: 16.09.2025 @ 22:01
Script: /thread.php?postid=92975
Referer: