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 ('27496b5dd6ad5e02cea2f98b1faca1cf','0','18.226.159.74','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716116406','board.php?boardid=122&sid=302b6c0723d2353bae54d61747a552c3','0','0','')
mysql error: Duplicate entry '27496b5dd6ad5e02cea2f98b1faca1cf' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 19.05.2024 @ 13:00
Script: /board.php?boardid=122&sid=302b6c0723d2353bae54d61747a552c3
Referer: