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 ('81d47845b867c852ee0ef5031ea214ae','0','216.73.216.4','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1760988056','report.php?postid=107247','0','0','')
mysql error: Duplicate entry '81d47845b867c852ee0ef5031ea214ae' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.6.15-MariaDB-log
php version: 7.4.33
Date: 20.10.2025 @ 21:20
Script: /report.php?postid=107247
Referer: