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 ('bc5f20e5f5d9179ea23b7c9d7de74596','0','18.222.193.207','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715227845','board.php?boardid=760&sid=85d1bcdac64376252f115567a7b8b098','0','0','')
mysql error: Duplicate entry 'bc5f20e5f5d9179ea23b7c9d7de74596' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 09.05.2024 @ 06:10
Script: /board.php?boardid=760&sid=85d1bcdac64376252f115567a7b8b098
Referer: