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 ('cd60c04441f54537cfff141c5e0c896d','0','3.15.141.206','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715464135','board.php?boardid=323&sid=a744f9f5fff6266c40af533fd569f63b','0','0','')
mysql error: Duplicate entry 'cd60c04441f54537cfff141c5e0c896d' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 11.05.2024 @ 23:48
Script: /board.php?boardid=323&sid=a744f9f5fff6266c40af533fd569f63b
Referer: