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 ('2fe1fc6f6afe6ab56e180f61378b469d','0','3.142.174.55','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714621868','board.php?boardid=438&sid=22f04a1e7d48f988d6b5463afef58255','0','0','')
mysql error: Duplicate entry '2fe1fc6f6afe6ab56e180f61378b469d' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 02.05.2024 @ 05:51
Script: /board.php?boardid=438&sid=22f04a1e7d48f988d6b5463afef58255
Referer: http://wehrbauten.de/board.php?boardid=438&sid=22f04a1e7d48f988d6b5463afef58255