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 ('7b5dda175c858fb16067d8de75c7dfc2','0','3.147.43.190','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715793274','board.php?boardid=271&sid=a2b8f261b42af79a59d1bfc97bd834bd','0','0','')
mysql error: Duplicate entry '7b5dda175c858fb16067d8de75c7dfc2' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 15.05.2024 @ 19:14
Script: /board.php?boardid=271&sid=a2b8f261b42af79a59d1bfc97bd834bd
Referer: