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 ('e9cbb3d08d11982692775b9bfb5fc7fe','0','3.139.82.23','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715056089','memberslist.php?sid=7890dd0c477533e7aedbc94b9e10794c','0','0','')
mysql error: Duplicate entry 'e9cbb3d08d11982692775b9bfb5fc7fe' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 07.05.2024 @ 06:28
Script: /memberslist.php?sid=7890dd0c477533e7aedbc94b9e10794c
Referer: