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 ('e6045f974d3c411ded1414f5c85b207a','0','3.15.223.236','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745232496','thread.php?postid=20920','0','0','')
mysql error: Duplicate entry 'e6045f974d3c411ded1414f5c85b207a' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 21.04.2025 @ 12:48
Script: /thread.php?postid=20920
Referer: http://gttempel.de/thread.php?postid=20920