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 ('7d254315165450513ac70d630256845d','0','18.116.67.212','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715425313','board.php?boardid=115&sid=6c29da201dc01dd33700a578b682bf64','0','0','')
mysql error: Duplicate entry '7d254315165450513ac70d630256845d' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 11.05.2024 @ 13:01
Script: /board.php?boardid=115&sid=6c29da201dc01dd33700a578b682bf64
Referer: http://wehrbauten.de/board.php?boardid=115&sid=6c29da201dc01dd33700a578b682bf64