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 ('8f5dda9d5383d0e130ea5fdd879fc958','0','18.118.109.216','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1744982921','addreply.php?postid=4986','0','0','')
mysql error: Duplicate entry '8f5dda9d5383d0e130ea5fdd879fc958' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 18.04.2025 @ 15:28
Script: /addreply.php?postid=4986
Referer: http://gttempel.de/addreply.php?postid=4986