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 ('ec4193ffd634834c74b213332a00841e','0','3.142.42.215','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716087779','board.php?boardid=340&page=1&daysprune=1000&sortfield=topic&sortorder=ASC&sid=0eb4d4c4b976fe6e307e21cf374ab026','0','0','')
mysql error: Duplicate entry 'ec4193ffd634834c74b213332a00841e' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 19.05.2024 @ 05:02
Script: /board.php?boardid=340&page=1&daysprune=1000&sortfield=topic&sortorder=ASC&sid=0eb4d4c4b976fe6e307e21cf374ab026
Referer: