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 ('572139e8989730ee246f82a409bf703d','0','3.149.27.202','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714735593','board.php?boardid=72&sid=58896e067b0420ed42115672fc12e174','0','0','')
mysql error: Duplicate entry '572139e8989730ee246f82a409bf703d' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 03.05.2024 @ 13:26
Script: /board.php?boardid=72&sid=58896e067b0420ed42115672fc12e174
Referer: http://wehrbauten.de/board.php?boardid=72&sid=58896e067b0420ed42115672fc12e174