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 ('275ff2f74c1cf7805457fbb2b084a72d','0','18.227.190.93','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714878189','board.php?boardid=38&sid=aee39ff686ed1c90885c57855ed9ec60','0','0','')
mysql error: Duplicate entry '275ff2f74c1cf7805457fbb2b084a72d' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 05.05.2024 @ 05:03
Script: /board.php?boardid=38&sid=aee39ff686ed1c90885c57855ed9ec60
Referer: