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 ('1af79c7b51cd52f5159ca4803effaeec','0','18.217.68.197','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715401236','memberslist.php?sid=823868f7e94fafa244b806b68ab33dae','0','0','')
mysql error: Duplicate entry '1af79c7b51cd52f5159ca4803effaeec' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 11.05.2024 @ 06:20
Script: /memberslist.php?sid=823868f7e94fafa244b806b68ab33dae
Referer: