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 ('9eed29651b1a480e30b798b01c0fb128','0','3.147.28.93','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715887853','addreply.php?postid=971&sid=062de6ae0dad7353f6e37080e1fb1d89','0','0','')
mysql error: Duplicate entry '9eed29651b1a480e30b798b01c0fb128' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 4.4.9
Date: 16.05.2024 @ 21:30
Script: /Forum/addreply.php?postid=971&sid=062de6ae0dad7353f6e37080e1fb1d89
Referer: