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 ('bf9c66d21062bb38290c33f723b23d7b','0','18.222.99.206','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1744876591','thread.php?page=2&threadid=1362','0','0','')
mysql error: Duplicate entry 'bf9c66d21062bb38290c33f723b23d7b' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 17.04.2025 @ 09:56
Script: /thread.php?page=2&threadid=1362
Referer: http://gttempel.de/thread.php?page=2&threadid=1362