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 ('59fab93db163892276a5991b1942fb64','0','3.133.12.172','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715247388','index.php?sid=33e2d47dcd79185621e4787f27fd0d99','0','0','')
mysql error: Duplicate entry '59fab93db163892276a5991b1942fb64' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 09.05.2024 @ 11:36
Script: /index.php?sid=33e2d47dcd79185621e4787f27fd0d99
Referer: http://wehrbauten.de/index.php?sid=33e2d47dcd79185621e4787f27fd0d99