SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('6c8bcc7b5a4521649401617f462069a5','0','3.149.233.62','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715547000','jgs_portal_links.php?sid=1f6f9a5a36144f51a4d95575dd7cd95d','0','0','')
mysql error: Duplicate entry '6c8bcc7b5a4521649401617f462069a5' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.1.48-MariaDB-0ubuntu0.18.04.1
php version: 7.4.33
Date: 12.05.2024 @ 22:50
Script: /jgs_portal_links.php?sid=1f6f9a5a36144f51a4d95575dd7cd95d
Referer: