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 ('586dc35c9a4888eeb21a6b174a8848cf','0','18.224.59.231','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715159636','login.php?sid=27885305d47aa92d7d5ef284d9f97caa','0','0','')
mysql error: Duplicate entry '586dc35c9a4888eeb21a6b174a8848cf' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 08.05.2024 @ 11:13
Script: /login.php?sid=27885305d47aa92d7d5ef284d9f97caa
Referer: http://wehrbauten.de/login.php?sid=27885305d47aa92d7d5ef284d9f97caa