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 ('9fb7072d0c4f088c81a7a10a6c148cbb','0','18.221.66.31','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716350342','profile.php?userid=53&sid=78d12b15340aa989805d979bc0622b14','0','0','')
mysql error: Duplicate entry '9fb7072d0c4f088c81a7a10a6c148cbb' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 22.05.2024 @ 05:59
Script: /profile.php?userid=53&sid=78d12b15340aa989805d979bc0622b14
Referer: