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 ('d4b8bc0b48c4e1db603539ccc9672025','0','216.73.216.94','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1751841179','thread.php?postid=7883','0','0','')
mysql error: Duplicate entry 'd4b8bc0b48c4e1db603539ccc9672025' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 07.07.2025 @ 00:32
Script: /thread.php?postid=7883
Referer: