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 ('676434331263d05c072a5fa484389e46','0','3.21.244.172','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715470860','board.php?boardid=381&sid=9e5aa7bd8b134a344b5b3a384c90fd41','0','0','')
mysql error: Duplicate entry '676434331263d05c072a5fa484389e46' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 12.05.2024 @ 01:41
Script: /board.php?boardid=381&sid=9e5aa7bd8b134a344b5b3a384c90fd41
Referer: