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 ('140b62b42a419a6b20560e103df0a558','0','18.188.10.246','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714852383','board.php?boardid=481&sid=b9cbb5c7e81ec2c51ea73cb37e69bb84','0','0','')
mysql error: Duplicate entry '140b62b42a419a6b20560e103df0a558' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 04.05.2024 @ 21:53
Script: /board.php?boardid=481&sid=b9cbb5c7e81ec2c51ea73cb37e69bb84
Referer: