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 ('62e7aca5521c63b3a6197704a80372ec','0','3.133.108.241','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715513049','usercp.php?action=buddy&add=1950&sid=c1c31cf6f54aaeb9cd4dc669cda15584','0','0','')
mysql error: Duplicate entry '62e7aca5521c63b3a6197704a80372ec' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.6.15-MariaDB-cll-lve-log
php version: 5.6.40
Date: 12.05.2024 @ 11:24
Script: /usercp.php?action=buddy&add=1950&sid=c1c31cf6f54aaeb9cd4dc669cda15584
Referer: http://www.biker-community.com/usercp.php?action=buddy&add=1950&sid=c1c31cf6f54aaeb9cd4dc669cda15584