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 ('74b202a82ff46a80dd9741f656bcb5a7','0','3.147.65.65','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715199726','board.php?boardid=229&sid=75f4e38f20ef1d151ed89bfcbfdf3b3a','0','0','')
mysql error: Duplicate entry '74b202a82ff46a80dd9741f656bcb5a7' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 08.05.2024 @ 22:22
Script: /board.php?boardid=229&sid=75f4e38f20ef1d151ed89bfcbfdf3b3a
Referer: http://wehrbauten.de/board.php?boardid=229&sid=75f4e38f20ef1d151ed89bfcbfdf3b3a