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 ('07be8f7bdb50256f50a2f809d6e0e9e0','0','3.144.175.178','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715689609','board.php?boardid=541&sid=5df85b8cd3406ef181ae23eec8bf6d35','0','0','')
mysql error: Duplicate entry '07be8f7bdb50256f50a2f809d6e0e9e0' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 14.05.2024 @ 14:26
Script: /board.php?boardid=541&sid=5df85b8cd3406ef181ae23eec8bf6d35
Referer: http://wehrbauten.de/board.php?boardid=541&sid=5df85b8cd3406ef181ae23eec8bf6d35