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 ('db7aea6f334d20c5cf4978edd01b27ff','0','18.118.227.69','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714540635','thread.php?threadid=7657&goto=lastpost&sid=06e1f861d25474f3f83deacfa0e14028','0','0','')
mysql error: Duplicate entry 'db7aea6f334d20c5cf4978edd01b27ff' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 01.05.2024 @ 07:17
Script: /thread.php?threadid=7657&goto=lastpost&sid=06e1f861d25474f3f83deacfa0e14028
Referer: