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 ('6765951b8d26f6a224c744d52c026913','0','3.139.82.252','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716274080','addreply.php?threadid=166907&sid=78c9030bdf7ff50c91523d3914c49b21','0','0','')
mysql error: Duplicate entry '6765951b8d26f6a224c744d52c026913' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.1.48-MariaDB-0ubuntu0.18.04.1
php version: 7.4.33
Date: 21.05.2024 @ 08:48
Script: /addreply.php?threadid=166907&sid=78c9030bdf7ff50c91523d3914c49b21
Referer: