SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('47d8e079080293322f425d40aff8189f','0','3.15.27.232','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714753699','thread.php?goto=lastpost&threadid=1059&sid=69e4bc4ff616d073f31a74842dbd42fc','0','0','')
mysql error: Duplicate entry '47d8e079080293322f425d40aff8189f' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 03.05.2024 @ 18:28
Script: /thread.php?goto=lastpost&threadid=1059&sid=69e4bc4ff616d073f31a74842dbd42fc
Referer: