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 ('6194e590208e87dc00a38192e16e9f75','0','3.145.172.213','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715728403','board.php?boardid=273&sid=a1f8ea7a0ea5001d996fc55332740fd4','0','0','')
mysql error: Duplicate entry '6194e590208e87dc00a38192e16e9f75' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 15.05.2024 @ 01:13
Script: /board.php?boardid=273&sid=a1f8ea7a0ea5001d996fc55332740fd4
Referer: