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 ('6992b8a63e48d304e7fcf46c63f949ae','0','18.221.53.209','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714710578','misc.php?action=imprint&sid=d462786ec1486b868df2d3b2974a8828','0','0','')
mysql error: Duplicate entry '6992b8a63e48d304e7fcf46c63f949ae' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 03.05.2024 @ 06:29
Script: /misc.php?action=imprint&sid=d462786ec1486b868df2d3b2974a8828
Referer: http://wehrbauten.de/misc.php?action=imprint&sid=d462786ec1486b868df2d3b2974a8828