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 ('a298b07a9d19c3661835b404b0913c86','0','3.142.12.240','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714158194','board.php?boardid=78&sid=5f330107e32cdb648b7b7688dfff1459','0','0','')
mysql error: Duplicate entry 'a298b07a9d19c3661835b404b0913c86' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 26.04.2024 @ 21:03
Script: /board.php?boardid=78&sid=5f330107e32cdb648b7b7688dfff1459
Referer: