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 ('148af18e6d5b8add048733c8b5557b28','0','3.129.39.252','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715831001','board.php?boardid=543&sid=7a4a3adf53306ad5b93809f3fd3b4725','0','0','')
mysql error: Duplicate entry '148af18e6d5b8add048733c8b5557b28' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 16.05.2024 @ 05:43
Script: /board.php?boardid=543&sid=7a4a3adf53306ad5b93809f3fd3b4725
Referer: http://wehrbauten.de/board.php?boardid=543&sid=7a4a3adf53306ad5b93809f3fd3b4725