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 ('ee1b362bc93780c702fec94fb18507ec','0','3.144.238.20','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714762446','board.php?boardid=240&sid=d17265b37ba897af7145b964e91979d9','0','0','')
mysql error: Duplicate entry 'ee1b362bc93780c702fec94fb18507ec' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 03.05.2024 @ 20:54
Script: /board.php?boardid=240&sid=d17265b37ba897af7145b964e91979d9
Referer: