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 ('7d09076f37dcd6702f4b26684a9d7a4b','0','18.119.141.42','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715792549','board.php?boardid=484&daysprune=1000&sortfield=lastposttime&sortorder=ASC&sid=eda10bebdd3cc51235b4af4e76502a7b','0','0','')
mysql error: Duplicate entry '7d09076f37dcd6702f4b26684a9d7a4b' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 15.05.2024 @ 19:02
Script: /board.php?boardid=484&daysprune=1000&sortfield=lastposttime&sortorder=ASC&sid=eda10bebdd3cc51235b4af4e76502a7b
Referer: