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 ('2cea95491283d9c31ca7db13110e4321','0','18.118.120.109','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715108122','board.php?boardid=216&sid=c28a21866c384f0392a2f9d8a2177fd2','0','0','')
mysql error: Duplicate entry '2cea95491283d9c31ca7db13110e4321' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 07.05.2024 @ 20:55
Script: /board.php?boardid=216&sid=c28a21866c384f0392a2f9d8a2177fd2
Referer: http://wehrbauten.de/board.php?boardid=216&sid=c28a21866c384f0392a2f9d8a2177fd2