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 ('d5f4fb73ce776646bfcd6446929a228a','0','3.135.190.232','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715356867','board.php?boardid=363&sid=7ff545ed884e205f7142a19d71b5bb2b','0','0','')
mysql error: Duplicate entry 'd5f4fb73ce776646bfcd6446929a228a' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 10.05.2024 @ 18:01
Script: /board.php?boardid=363&sid=7ff545ed884e205f7142a19d71b5bb2b
Referer: http://wehrbauten.de/board.php?boardid=363&sid=7ff545ed884e205f7142a19d71b5bb2b