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 ('15344276752c593e7f1b71bb745a19ac','0','3.14.253.221','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714928070','board.php?boardid=458&page=1&daysprune=1000&sortfield=lastposttime&sortorder=ASC&sid=850c0d7b68201cb496bced064400d37e','0','0','')
mysql error: Duplicate entry '15344276752c593e7f1b71bb745a19ac' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 05.05.2024 @ 18:54
Script: /board.php?boardid=458&page=1&daysprune=1000&sortfield=lastposttime&sortorder=ASC&sid=850c0d7b68201cb496bced064400d37e
Referer: