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 ('21f45696d3294e475614dcc7dd8b4fd3','0','54.224.124.217','claudebot','1711664171','usercp.php?action=buddy&add=51216&sid=b80fdde311b51575686b4ba95e150daa','0','0','')
mysql error: Duplicate entry '21f45696d3294e475614dcc7dd8b4fd3' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.44
php version: 5.2.17
Date: 28.03.2024 @ 23:16
Script: /usercp.php?action=buddy&add=51216&sid=b80fdde311b51575686b4ba95e150daa
Referer: http://your-wbb.de/usercp.php?action=buddy&add=51216&sid=b80fdde311b51575686b4ba95e150daa