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 ('561f13e7955a5446cc36e0e05a3e9913','0','3.135.215.149','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1734876691','report.php?postid=28878','0','0','')
mysql error: Duplicate entry '561f13e7955a5446cc36e0e05a3e9913' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 22.12.2024 @ 15:11
Script: /report.php?postid=28878
Referer: http://gttempel.de/report.php?postid=28878