SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('8c94b4e176b9e58f3180a6b69b730f40','0','18.218.26.136','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1744985284','editpost.php?postid=21755','0','0','')
mysql error: Duplicate entry '8c94b4e176b9e58f3180a6b69b730f40' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 18.04.2025 @ 16:08
Script: /editpost.php?postid=21755
Referer: http://gttempel.de/editpost.php?postid=21755