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 ('f03850210f8198b26bccc8be4f906088','0','18.216.186.122','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1748248272','addreply.php?action=quote&postid=1124','0','0','')
mysql error: Duplicate entry 'f03850210f8198b26bccc8be4f906088' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.1.41
php version: 5.3.1
Date: 26.05.2025 @ 10:31
Script: /plauscherl/addreply.php?action=quote&postid=1124
Referer: