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 ('933a605a1aa9020566004b21c4966270','0','18.218.91.239','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715669529','board.php?boardid=401&sid=5190fad5771132c4be05d55713ac32ec','0','0','')
mysql error: Duplicate entry '933a605a1aa9020566004b21c4966270' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 14.05.2024 @ 08:52
Script: /board.php?boardid=401&sid=5190fad5771132c4be05d55713ac32ec
Referer: http://wehrbauten.de/board.php?boardid=401&sid=5190fad5771132c4be05d55713ac32ec