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 ('1fb1d944cb01c85a18246918dbfef46f','0','18.188.175.182','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715227641','thread.php?goto=lastpost&threadid=1469&sid=3e427e618365b4974462e43f4a1db06b','0','0','')
mysql error: Duplicate entry '1fb1d944cb01c85a18246918dbfef46f' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 09.05.2024 @ 06:07
Script: /thread.php?goto=lastpost&threadid=1469&sid=3e427e618365b4974462e43f4a1db06b
Referer: