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 ('11c15c15833579fedb8aa7af611b64d6','0','18.222.120.133','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714959829','board.php?boardid=277&sid=84e616f88002c38f12ffafd2a9c925a4','0','0','')
mysql error: Duplicate entry '11c15c15833579fedb8aa7af611b64d6' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 06.05.2024 @ 03:43
Script: /board.php?boardid=277&sid=84e616f88002c38f12ffafd2a9c925a4
Referer: http://wehrbauten.de/board.php?boardid=277&sid=84e616f88002c38f12ffafd2a9c925a4