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 ('0090d440317d10b4f76386691400b413','0','18.188.113.80','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716189903','register.php?sid=36524bd7dff091ab127e5b280a579d02','0','0','')
mysql error: Duplicate entry '0090d440317d10b4f76386691400b413' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.2.17
Date: 20.05.2024 @ 09:25
Script: /register.php?sid=36524bd7dff091ab127e5b280a579d02
Referer: