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 ('6449b5c4afb31eedaaae8834f93adc37','0','3.149.214.146','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716236975','memberslist.php?sid=b69fb9c8b78fffd7e0e63da6d0f11c5f','0','0','')
mysql error: Duplicate entry '6449b5c4afb31eedaaae8834f93adc37' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 20.05.2024 @ 22:29
Script: /memberslist.php?sid=b69fb9c8b78fffd7e0e63da6d0f11c5f
Referer: