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 ('4decd78ba6305df042178ff134e66657','0','216.73.216.94','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1751754819','editpost.php?postid=9363','0','0','')
mysql error: Duplicate entry '4decd78ba6305df042178ff134e66657' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 06.07.2025 @ 00:33
Script: /editpost.php?postid=9363
Referer: