SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl 2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('d08e68a0b260cf7ffa4f71126290c7e8','0','18.221.235.209','claudebot','1713453066','addreply.php?postid=4337&sid=3be3496bb9a85a79c88ba42bcc92c063','0','0','')
mysql error: Duplicate entry 'd08e68a0b260cf7ffa4f71126290c7e8' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.44
php version: 5.2.17
Date: 18.04.2024 @ 17:11
Script: /addreply.php?postid=4337&sid=3be3496bb9a85a79c88ba42bcc92c063
Referer: http://your-wbb.de/addreply.php?postid=4337&sid=3be3496bb9a85a79c88ba42bcc92c063