SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('8ffbff228ed7262d06d45326f9488a89','0','3.23.101.186','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1743835550','usercp.php?action=buddy&add=2081','0','0','')
mysql error: Duplicate entry '8ffbff228ed7262d06d45326f9488a89' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 05.04.2025 @ 08:45
Script: /usercp.php?action=buddy&add=2081
Referer: http://gttempel.de/usercp.php?action=buddy&add=2081