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 ('5bfb0daf8d8f8c9846b88ea1eb326194','0','3.144.109.102','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715562220','thread.php?threadid=2499&sid=9dbbb852bffac192cc9df0d7b8cb6aac','0','0','')
mysql error: Duplicate entry '5bfb0daf8d8f8c9846b88ea1eb326194' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 13.05.2024 @ 03:03
Script: /thread.php?threadid=2499&sid=9dbbb852bffac192cc9df0d7b8cb6aac
Referer: