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 ('636e4757ff2b9aa56b888414e2232f22','0','18.117.132.79','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745335190','thread.php?goto=firstnew_thread&threadid=492','0','0','')
mysql error: Duplicate entry '636e4757ff2b9aa56b888414e2232f22' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 22.04.2025 @ 17:19
Script: /thread.php?goto=firstnew_thread&threadid=492
Referer: http://gttempel.de/thread.php?goto=firstnew_thread&threadid=492