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 ('04e9f278d88c10a6bd7d3ba3b17c4376','0','18.225.57.49','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714316643','thread.php?goto=nextnewest&threadid=7829&sid=d4275640a52a62808c4e7524165beea6','0','0','')
mysql error: Duplicate entry '04e9f278d88c10a6bd7d3ba3b17c4376' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 28.04.2024 @ 17:04
Script: /thread.php?goto=nextnewest&threadid=7829&sid=d4275640a52a62808c4e7524165beea6
Referer: