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 ('fb11f454d507c89a29e8aaa6f7cf5a6a','0','18.221.187.207','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716089041','index.php?sid=242331e1cd7e5aa954fb96eab6a5aa49','0','0','')
mysql error: Duplicate entry 'fb11f454d507c89a29e8aaa6f7cf5a6a' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.2.17
Date: 19.05.2024 @ 05:24
Script: /index.php?sid=242331e1cd7e5aa954fb96eab6a5aa49
Referer: