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 ('dc102a5aac48cd0f19b5859ffc7cc21c','0','3.149.254.35','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715182668','board.php?boardid=74&sid=571c0b70dd291c17a091ab6891bff014','0','0','')
mysql error: Duplicate entry 'dc102a5aac48cd0f19b5859ffc7cc21c' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 08.05.2024 @ 17:37
Script: /board.php?boardid=74&sid=571c0b70dd291c17a091ab6891bff014
Referer: http://wehrbauten.de/board.php?boardid=74&sid=571c0b70dd291c17a091ab6891bff014