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 ('bc6529ef36f7e3559b0b18b3c4d1ec9b','0','3.22.119.251','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714611645','board.php?boardid=130&sid=a49d9f5d98dc1d5cc00574fe8c04146f','0','0','')
mysql error: Duplicate entry 'bc6529ef36f7e3559b0b18b3c4d1ec9b' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 02.05.2024 @ 03:00
Script: /board.php?boardid=130&sid=a49d9f5d98dc1d5cc00574fe8c04146f
Referer: http://wehrbauten.de/board.php?boardid=130&sid=a49d9f5d98dc1d5cc00574fe8c04146f