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 ('8205b029f372f34591630f7bf220a7d3','0','18.118.226.105','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714998525','board.php?boardid=686&sid=6153cb2eb009e42c6c80292f573abfb3','0','0','')
mysql error: Duplicate entry '8205b029f372f34591630f7bf220a7d3' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 06.05.2024 @ 14:28
Script: /board.php?boardid=686&sid=6153cb2eb009e42c6c80292f573abfb3
Referer: http://wehrbauten.de/board.php?boardid=686&sid=6153cb2eb009e42c6c80292f573abfb3