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 ('1b2b25bc6742dda8cc569694d6661810','0','18.191.171.160','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1743838713','editpost.php?postid=26909','0','0','')
mysql error: Duplicate entry '1b2b25bc6742dda8cc569694d6661810' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 05.04.2025 @ 09:38
Script: /editpost.php?postid=26909
Referer: http://gttempel.de/editpost.php?postid=26909