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 ('b346558845dd88478523b68e1fe51571','0','3.147.89.47','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715575780','board.php?boardid=54&sid=83071417f5d184bbd21563b5e00f0092','0','0','')
mysql error: Duplicate entry 'b346558845dd88478523b68e1fe51571' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 13.05.2024 @ 06:49
Script: /board.php?boardid=54&sid=83071417f5d184bbd21563b5e00f0092
Referer: