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 ('efaf485ece57e290780999c4d69ed990','0','52.14.126.74','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715222320','board.php?boardid=672&sid=d0efc5d5046686eb1e0aa1c632d093c5','0','0','')
mysql error: Duplicate entry 'efaf485ece57e290780999c4d69ed990' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 09.05.2024 @ 04:38
Script: /board.php?boardid=672&sid=d0efc5d5046686eb1e0aa1c632d093c5
Referer: