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 ('21cee3c1ed7802317fe7ef50f9fbca91','0','44.222.104.49','claudebot','1711675732','editpost.php?postid=153369&sid=95ddeec50cbcd133a4fc6d5cbc16d657','0','0','')
mysql error: Duplicate entry '21cee3c1ed7802317fe7ef50f9fbca91' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.44
php version: 5.2.17
Date: 29.03.2024 @ 02:28
Script: /editpost.php?postid=153369&sid=95ddeec50cbcd133a4fc6d5cbc16d657
Referer: http://your-wbb.de/editpost.php?postid=153369&sid=95ddeec50cbcd133a4fc6d5cbc16d657