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 ('38ccb16e4322012899e9b3f10631d2ba','0','18.218.155.103','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1744856494','thread.php?goto=firstnew_thread&threadid=2252','0','0','')
mysql error: Duplicate entry '38ccb16e4322012899e9b3f10631d2ba' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 17.04.2025 @ 04:21
Script: /thread.php?goto=firstnew_thread&threadid=2252
Referer: http://gttempel.de/thread.php?goto=firstnew_thread&threadid=2252