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 ('357d46cf576b9fb6dcb1c451080a9ed3','0','18.117.93.231','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1744876285','thread.php?postid=37933','0','0','')
mysql error: Duplicate entry '357d46cf576b9fb6dcb1c451080a9ed3' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 17.04.2025 @ 09:51
Script: /thread.php?postid=37933
Referer: http://gttempel.de/thread.php?postid=37933