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 ('fff20439f921423a15774ddce66cecae','0','3.145.42.94','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715291023','team.php?sid=e675a617d14ca946ae896fe987c877b6','0','0','')
mysql error: Duplicate entry 'fff20439f921423a15774ddce66cecae' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 09.05.2024 @ 23:43
Script: /team.php?sid=e675a617d14ca946ae896fe987c877b6
Referer: http://wehrbauten.de/team.php?sid=e675a617d14ca946ae896fe987c877b6