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 ('0a1637c0fc6736edd8d604845b21fbf5','0','13.58.121.131','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715035203','board.php?boardid=331&sid=c36a6bdb85f76ac6cb43e8ca5654163d','0','0','')
mysql error: Duplicate entry '0a1637c0fc6736edd8d604845b21fbf5' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 07.05.2024 @ 00:40
Script: /board.php?boardid=331&sid=c36a6bdb85f76ac6cb43e8ca5654163d
Referer: