SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl 2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('d2d41c85b74f06980ee91dc595d9c018','0','3.143.214.56','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)','1715699023','usercp.php?action=buddy&add=2470&sid=be796ba907919a4e0c45381ee88f4b57','0','0','')
mysql error: Duplicate entry 'd2d41c85b74f06980ee91dc595d9c018' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.44
php version: 5.2.17
Date: 14.05.2024 @ 17:03
Script: /usercp.php?action=buddy&add=2470&sid=be796ba907919a4e0c45381ee88f4b57
Referer: http://your-wbb.de/usercp.php?action=buddy&add=2470&sid=be796ba907919a4e0c45381ee88f4b57